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Flowmaster Stainless Steel American Thunder Exhaust Systems 817312 System, Thunder, Cat-Back, 409 Steel, Ford, 4.6L, Kit

SKU: FLO817312

Exhaust Systems

Flowmaster Stainless Steel American Thunder Exhaust Systems 817312 System, Thunder, Cat-Back, 409 Steel, Ford, 4.6L, Kit

SKU: FLO817312

Exhaust Systems
A$2,961.63
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.
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Description

Flowmaster Stainless Steel American Thunder exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to these performance improvements is Flowmaster's use of mandrel-bent tubing. Their tubing allows for superior exhaust gas flow, while their stainless steel construction allows for their corrosion-resistant qualities. These American Thunder exhaust systems also feature a stainless steel muffler(s) that'll give you plenty of Flowmaster sound.

Part Type

Cat-Back Exhaust Kit - 99-04 Mustang 4.6L

Data: v4.2 - Upd: 2026-10-15 01:36:55

Specifications

Product Attributes - Brand
Flowmaster
Product Attributes - Manufacturer's Part Number
817312
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Product Line
Flowmaster Stainless Steel American Thunder Exhaust Systems
Product Attributes - UPC
700042022694
Product Attributes - System Material
409 stainless steel
Product Attributes - System Style
Cat-back
Product Attributes - Exhaust Type
Dual
Product Attributes - Exit Location
Split rear
Product Attributes - System Finish
Natural
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
409 stainless steel
Product Attributes - Muffler Finish
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.)
3.00
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
Single over head cam (SOHC) 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 flo817312
SFX Item ID 4983904
Supplier Item Code 4983904
Manufacturer SKU 817312
Manufacturer UPC 700042022694
Alternative References FLM817312, 4.6L

Compatibility

Application Data
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleConvertible
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleConvertible
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesRWD; Flowmaster American Thunder Cat-back Exhaust System; Transmission; Aggressive to moderate sound
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleConvertible
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesRWD; Transmission
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleConvertible
    TransmissionManual
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleConvertible
    TransmissionManual
    DrivetrainRWD
    Application NotesRWD; Flowmaster American Thunder Cat-back Exhaust System; Transmission; Aggressive to moderate sound
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleConvertible
    TransmissionManual
    DrivetrainRWD
    Application NotesRWD; Transmission
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesRWD; Flowmaster American Thunder Cat-back Exhaust System; Transmission; Aggressive to moderate sound
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesRWD; Transmission
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesRWD; Flowmaster American Thunder Cat-back Exhaust System; Transmission; Aggressive to moderate sound
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesRWD; Transmission
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT BULLITT
    Beginning Year2001
    Ending Year2001
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT BULLITT
    Beginning Year2001
    Ending Year2001
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesRWD; Flowmaster American Thunder Cat-back Exhaust System; Transmission; Aggressive to moderate sound
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT BULLITT
    Beginning Year2001
    Ending Year2001
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesRWD; Transmission
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT BULLITT
    Beginning Year2001
    Ending Year2001
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT BULLITT
    Beginning Year2001
    Ending Year2001
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesRWD; Flowmaster American Thunder Cat-back Exhaust System; Transmission; Aggressive to moderate sound
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelGT BULLITT
    Beginning Year2001
    Ending Year2001
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesRWD; Transmission
    RegionUnited States (USA)
    Engine VIN CodeX
  • MakeFORD
    ModelMUSTANG
    SubmodelMACH 1
    Beginning Year2003
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionAutomatic
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeR
  • MakeFORD
    ModelMUSTANG
    SubmodelMACH 1
    Beginning Year2003
    Ending Year2004
    Engine TypeV8
    Liter4.6
    CID281
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Body StyleCoupe
    TransmissionManual
    DrivetrainRWD
    Application NotesAmerican Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series(TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeR

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