Home / Shop / Flowmaster American Thunder Exhaust Systems for 1964-1966 MUSTANG - 17273 Exhaust, Thunder, Header-Back, Steel, Aluminized, H-Pipe, Polished Tips, Ford, Kit

Flowmaster American Thunder Exhaust Systems for 1964-1966 MUSTANG - 17273 Exhaust, Thunder, Header-Back, Steel, Aluminized, H-Pipe, Polished Tips, Ford, Kit

SKU: FLO17273

Exhaust Systems

Flowmaster

Flowmaster American Thunder Exhaust Systems for 1964-1966 MUSTANG - 17273 Exhaust, Thunder, Header-Back, Steel, Aluminized, H-Pipe, Polished Tips, Ford, Kit

SKU: FLO17273

Exhaust Systems

LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

IMPORTANT NOTICE: Kit includes H pipe. Due to variations in different manufacturers headers, modifications to the length and or angles of the intermediate pipes may be required when connecting to the header collectors. Will not fit GT or convertible models.

Flowmaster American Thunder exhaust systems are designed with the latest exhaust technology available--resulting in improved acceleration, passing power, and fuel mileage. A key to these performance upgrades is Flowmaster's use of mandrel-bent tubing, which allows superior exhaust gas flow. The systems also feature mufflers (single or dual) that deliver plenty of the rich Flowmaster sound you expect. Components are built from stainless steel or aluminized steel; and some models include tips. American Thunder exhausts are available in more than a hundred configurations for fitment on specific truck and car applications.

Part Type

American Thunder Exhaust Kit - 64-66 Mustang

Data: v4.2 - Upd: 2026-10-18 03:36:11

Specifications

Product Attributes - Brand: Flowmaster
Product Attributes - Manufacturer's Part Number: 17273
Product Attributes - Part Type: Exhaust Systems
Product Attributes - Product Line: Flowmaster American Thunder Exhaust Systems
Product Attributes - UPC: 700042016594
Product Attributes - System Material: Steel
Product Attributes - System Style: Header-back
Product Attributes - Exhaust Type: Dual
Product Attributes - Exit Location: Split rear
Product Attributes - System Finish: Aluminized
Product Attributes - Catalytic Converter(s) Included: No
Product Attributes - Intermediate Pipe Diameter (in.): 2.50 in.
Product Attributes - Muffler Included: Yes
Product Attributes - Muffler Quantity: Two
Product Attributes - Muffler Configuration: Single inlet/Single outlet
Product Attributes - Muffler Style: Chambered
Product Attributes - Muffler Material: Steel
Product Attributes - Muffler Color: Black
Product Attributes - Hardware Included: Yes
Product Attributes - Tailpipe Diameter (in.): 2.50 in.
Product Attributes - Tip Included: Yes
Product Attributes - Tip Outlet Size (in.): 2.50
Product Attributes - Tip Quantity: 2
Product Attributes - Tip Shape: Round
Product Attributes - Tip Cut: Slant
Product Attributes - Tip Edge Style: Non-rolled edge, single-wall
Product Attributes - Tip Material: 304 stainless steel
Product Attributes - Tip Color: Polished
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Notes: Kit includes H pipe. Due to variations in different manufacturers headers, modifications to the length and or angles of the intermediate pipes may be required when connecting to the header collectors. Will not fit GT or convertible models.
Product Attributes - Special Attention: It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.

Reference Information

Brand Name/s	Flowmaster
StreetFX SKU	flo17273
SFX Item ID	4983766
Supplier Item Code	4983766
Manufacturer SKU	17273
Manufacturer UPC	700042016594
Alternative References	FLM17273

Compatibility

Application Data

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1964
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1964
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1964
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1964
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	2786
CID	170
Drivetrain	RWD
Ending Year	1965
Engine Family	FORD L6 GAS
Engine Size	2.8L/170
Engine Type	L6
Engine VIN Code	U
Liter	2.8
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	2786
CID	170
Drivetrain	RWD
Ending Year	1965
Engine Family	FORD L6 GAS
Engine Size	2.8L/170
Engine Type	L6
Engine VIN Code	U
Liter	2.8
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	2786
CID	170
Drivetrain	RWD
Ending Year	1965
Engine Family	FORD L6 GAS
Engine Size	2.8L/170
Engine Type	L6
Engine VIN Code	U
Liter	2.8
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	2786
CID	170
Drivetrain	RWD
Ending Year	1965
Engine Family	FORD L6 GAS
Engine Size	2.8L/170
Engine Type	L6
Engine VIN Code	U
Liter	2.8
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	3277
CID	200
Drivetrain	RWD
Ending Year	1966
Engine Family	FORD L6 GAS
Engine Size	3.3L/200
Engine Type	L6
Engine VIN Code	T
Liter	3.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	3277
CID	200
Drivetrain	RWD
Ending Year	1966
Engine Family	FORD L6 GAS
Engine Size	3.3L/200
Engine Type	L6
Engine VIN Code	T
Liter	3.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	3277
CID	200
Drivetrain	RWD
Ending Year	1966
Engine Family	FORD L6 GAS
Engine Size	3.3L/200
Engine Type	L6
Engine VIN Code	T
Liter	3.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	3277
CID	200
Drivetrain	RWD
Ending Year	1966
Engine Family	FORD L6 GAS
Engine Size	3.3L/200
Engine Type	L6
Engine VIN Code	T
Liter	3.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Convertible
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1964
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	2786
CID	170
Drivetrain	RWD
Ending Year	1965
Engine Family	FORD L6 GAS
Engine Size	2.8L/170
Engine Type	L6
Engine VIN Code	U
Liter	2.8
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	2786
CID	170
Drivetrain	RWD
Ending Year	1965
Engine Family	FORD L6 GAS
Engine Size	2.8L/170
Engine Type	L6
Engine VIN Code	U
Liter	2.8
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; Transmission; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; Transmission; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4261
CID	260
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.3L/260
Engine Type	V8
Engine VIN Code	F
Liter	4.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1965
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	D
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	3277
CID	200
Drivetrain	RWD
Ending Year	1966
Engine Family	FORD L6 GAS
Engine Size	3.3L/200
Engine Type	L6
Engine VIN Code	T
Liter	3.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	3277
CID	200
Drivetrain	RWD
Ending Year	1966
Engine Family	FORD L6 GAS
Engine Size	3.3L/200
Engine Type	L6
Engine VIN Code	T
Liter	3.3
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	RWD; Flowmaster American Thunder Crossmember-Back Exhaust System; U/K; Polished Tip Finish, Aggressive to moderate sound
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Fastback
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Automatic

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	A
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	C
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

Application Notes	Hardtop; American Thunder Downpipe Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Bed Length Inches/Centimeters	N/R, N/R
Beginning Year	1965
Body Style	Hardtop
CC	4727
CID	289
Drivetrain	RWD
Ending Year	1966
Engine Family	Ford small block Windsor
Engine Size	4.7L/289
Engine Type	V8
Engine VIN Code	K
Liter	4.7
Make	FORD
Model	MUSTANG
Region	USA
Submodel	BASE
Transmission	Manual

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Flowmaster American Thunder Exhaust Systems for 1964-1966 MUSTANG - 17273 Exhaust, Thunder, Header-Back, Steel, Aluminized, H-Pipe, Polished Tips, Ford, Kit

Flowmaster American Thunder Exhaust Systems for 1964-1966 MUSTANG - 17273 Exhaust, Thunder, Header-Back, Steel, Aluminized, H-Pipe, Polished Tips, Ford, Kit

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