MBRP Downpipe Kit With Flange 2001-2005 GM Duramax 2500/3500
679-GMS9401

Specifications:
MBRP Diesel Exhaust Downpipes For Dodge Cummins are formed from mandrel-bent aluminized or stainless steel tubing and removes the factory restrictions so the turbo can spin freely and move more air. Power, torque and throttle response improve while exhaust temperature drops. OE-quality flanges and factory mounting locations provide a superior fit.
Features:Does MBRP GMS9401 fit your vehicle?
2003 GMC SIERRA 3500
- Liter: 6.6
- SubModel: SLE
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2001 CHEVROLET SILVERADO 3500
- Liter: 6.6
- SubModel: LT
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2005 GMC SIERRA 3500
- Liter: 6.6
- SubModel: SLE
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2004 GMC SIERRA 3500
- Liter: 6.6
- SubModel: SLT
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2004 CHEVROLET SILVERADO 2500 HD
- Liter: 6.6
- SubModel: BASE
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2004 GMC SIERRA 2500 HD
- Liter: 6.6
- SubModel: SLT
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2001 GMC SIERRA 2500 HD
- Liter: 6.6
- SubModel: SL
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel; 4 in. Outlet Diameter Tip;Not To Be Sold In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2002 GMC SIERRA 3500
- Liter: 6.6
- SubModel: BASE
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2004 CHEVROLET SILVERADO 2500 HD
- Liter: 6.6
- SubModel: WT
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2004 GMC SIERRA 2500 HD
- Liter: 6.6
- SubModel: BASE
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2002 GMC SIERRA 2500 HD
- Liter: 6.6
- SubModel: SLT
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel; 4 in. Outlet Diameter Tip;Not To Be Sold In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2004 CHEVROLET SILVERADO 3500
- Liter: 6.6
- SubModel: WT
- Aspiration: TURBOCHARGED
- Fitment Notes: 4 in.; w/Flange; 409 Stainless Steel;Not Legal For Sale Or Use In California; Not For Use In Vehicles Equipped With Catalytic Converter
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.