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Flowmaster

Flowmaster Force II Exhaust Systems 17125 System, II, Cat-Back, Steel, Aluminized, Chevy, GMC, Pickup, 5.7L, Kit

SKU: FLO17125

Exhaust Systems
Flowmaster Force II Exhaust Systems 17125 System, II, Cat-Back, Steel, Aluminized, Chevy, GMC, Pickup, 5.7L, Kit

Flowmaster

Flowmaster Force II Exhaust Systems 17125 System, II, Cat-Back, Steel, Aluminized, Chevy, GMC, Pickup, 5.7L, Kit

SKU: FLO17125

Exhaust Systems
A$2,146.99
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Flowmaster Force II exhaust systems are engineered with the latest technology for improvements in acceleration, passing power, and fuel mileage. The key to these performance enhancements is the use of mandrel-bent tubing. Force II assemblies are available in dozens of muffler and pipe configurations for fitment on thousands of year/make/model cars and trucks. Choose the size and style that's compatible with your engine type.

Part Type

Exhaust Systems

Data: v4.2 - Upd: 2026-10-17 03:11:06

Specifications

Product Attributes - Brand
Flowmaster
Product Attributes - Manufacturer's Part Number
17125
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Product Line
Flowmaster Force II Exhaust Systems
Product Attributes - UPC
700042010158
Product Attributes - System Material
Steel
Product Attributes - System Style
Cat-back
Product Attributes - Exhaust Type
Single
Product Attributes - Exit Location
Passenger side
Product Attributes - System Finish
Aluminized
Product Attributes - Catalytic Converter(s) Included
No
Product Attributes - Intermediate Pipe Diameter (in.)
3.00 in.
Product Attributes - Muffler Included
Yes
Product Attributes - Muffler Quantity
One
Product Attributes - Muffler Configuration
Single inlet/Single outlet
Product Attributes - Muffler Style
Chambered
Product Attributes - Muffler Material
Steel
Product Attributes - Muffler Finish
Black
Product Attributes - Hardware Included
Yes
Product Attributes - Tailpipe Diameter (in.)
3.00 in.
Product Attributes - Tip Included
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
117 inch wheelbase models equipped with slip fit catalytic converter.
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 flo17125
SFX Item ID 4984103
Supplier Item Code 4984103
Manufacturer SKU 17125
Manufacturer UPC 700042010158
Alternative References FLM17125, 5.7L

Compatibility

Application Data
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1991
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; 4WD; Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only.
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1991
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only., Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only., Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Cab & Chassis; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1990
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Cab & Chassis; 4WD; Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only.
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Cab & Chassis; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only., Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Cab & Chassis; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Cab & Chassis; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Cab & Chassis; 4WD; Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only.
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Cab & Chassis; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only., Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Cab & Chassis; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Extended Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Extended Cab Pickup; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1992
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Extended Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Extended Cab Pickup; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1991
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD; Flowmaster Force II Cat-back Exhaust System; Fits 2/4 wheel drive Standard Cab/Short bed configuration with 117-inch wheelbase, Flat style hangers. With Slip-Fit Cat Converter. Standard cab/Short bed only., Moderate Exterior Exhaust Tone
    RegionUnited States (USA)
    Engine VIN CodeK
  • MakeGMC
    ModelK2500
    SubmodelSIERRA SLX
    Beginning Year1991
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; Force II Cat Back System; Single; Single Side Exit; Incl. 3 in. Tailpipe/70 Series(TM) Big Block II Muffler/Flat Style Hangers; Slip-Fit;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeK

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