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Competition Race Pipes

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This is a "Race Only" product section used solely for competition. Its use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws.

We cannot and will not answer any questions about fuel mileage gains! Due to this product being designed solely for racing or offroad application, ALL representatives are restricted to talk about fuel mileage. Please do NOT jeopardize their job and our company by asking about fuel mileage testing. You will NOT pass emissions testing with these products installed! Thank you for your cooperation
AFE 49-04021 ATLAS 4" Race Front Pipe 11133 19.00 AFE 49-04021 ATLAS 4" Race Front Pipe
$ 295.26
The AFE 49-04021 ATLAS 4" Race Front Pipe for your 2011-2015 GM 6.6L Duramax is built to perform in the most extreme environments. This system is constructed from precision, mandrel bent 4" aluminized steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. To provide a leak-free seal, OE style band clamps and flanges are used that offer a 360 sealing area vs. cheap U-bolt clamps used in other systems. ATLAS exhaust pipes are the perfect combination of performance, fit and value. Installation is a Snap: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality OE style band clamps and flanges are used for a complete 360 sealing surface. Standard U-bolt clamps used by other systems only seal at the bottom and top of the tube allowing leak paths. Flow and Performance: ATLAS exhaust pipes are constructed of precision, mandrel bent 4" aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Features: 4" Mandrel Bent Aluminized Steel For Race Use Only Fitment Note: This front pipe will only fit 2015 models manufactured before July 2014. Models built after July of 2014 are equipped with a 3-bolt down pipe flange connection that is not compatible with this product. Warning: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-04022 ATLAS 4" Aluminized Steel Race Pipe 11134 21.00 AFE 49-04022 ATLAS 4" Aluminized Steel Race Pipe
$ 295.26
The AFE 49-04022 ATLAS 4" Aluminized Steel Race Pipe for your 2011-2016 GM 6.6L Duramax is engineered to perform in the most extreme environments. This system is constructed from precision, mandrel bent 4" alumuinized steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. To provide a leak-free seal, OE style band clamps and flanges are used that offer a 360 sealing area vs. cheap U-bolt clamps used in other systems. ATLAS exhaust pipes are the perfect combination of performance, fit and value. Installation is a Snap: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality OE style band clamps and flanges are used for a complete 360 sealing surface. Standard U-bolt clamps used by other systems only seal at the bottom and top of the tube allowing leak paths. Flow and Performance: ATLAS exhaust pipes are constructed of precision, mandrel bent 4" aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Features: Off Road Race Pipe 4" Aluminized Steel Construction Warning: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-04055 ATLAS 4" Race Front Pipe 31452 21.00 AFE 49-04055 ATLAS 4" Race Front Pipe
$ 252.36
The AFE 49-04055 ATLAS 4" Race Front Pipe for your 2015.5-2016 GM 6.6L Duramax is constructed from 4" mandrel bent aluminized steel tubing for maximum flow, increased horsepower and torque. The Race pipe is designed with a unique tapered flange to fit the flanged down pipes found on models built after July 2014. Atlas exhaust race pipes are the perfect combination of performance, fit and value. Installation is a Snap: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: A unique tapered OE style flange is used for a complete 360 degree sealing surface. Perfect Fit: A OE style bayonet hanger is used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: This ATLAS exhaust race pipe is constructed of 4" mandrel bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.3 Features: For Race Use 4" Mandrel Bent Aluminized Steel Tubing Utilizes Factory Mounting Locations For Easy Install Application Note: These kits will only fit models manufactured after July 2014 equipped with a flanged down pipe. Does not fit cab and chassis, Fits 133.7" to 167.7" wheel bases only. Warning: This free-flow race front pipe requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-04066 ATLAS 4" Race Pipe 28944 32.00 AFE 49-04066 ATLAS 4" Race Pipe
$ 327.18
The AFE 49-04066 ATLAS 4" Race Pipe for your 2011-2015 GM 6.6L Duramax LML is engineered to perform in the most extreme environments. This system is constructed from 4" mandrel-bent aluminized tubing for maximum flow, increased horsepower, increased torque and lower EGT's. The ATLAS exhaust race pipe is the perfect combination of performance, fit and value. Leak-Free Seal: High quality OE style flanges are used for a complete 360 degree sealing surface. Perfect Fit: OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: The ATLAS race pipe is constructed of 4"" mandrel-bent aluminized tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Features: Retains Factory Tail-Pipe 4" Mandrel-Bent Aluminized Steel Construction OE Style Bayonet Hangers For Secure Mounting Uses Factory Mounting Locations For Hassle-Free Installation High Quality OE Style Flanges For 360 Degree Sealing Surface Notes: Only fits 2015 models with v-band connection at front-pipe. Requires cutting of the factory exhaust system for installation. Fits: Crew Cab/Short Bed (153.7" Wheelbase), Crew Cab/Long Bed (167.7" Wheelbase), Extended Cab/Short Bed (144.2" Wheelbase), Extended Cab/Long Bed (158.2" Wheelbase) and Standard Cab/Long Bed (133.7" Wheelbase) models. Warning: This free-flow race exhaust pipe requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-04067 ATLAS 4" Race Pipe 28942 32.00 AFE 49-04067 ATLAS 4" Race Pipe
$ 327.18
The AFE 49-04067 ATLAS 4" Race Pipe for your 2015.5-2016 GM 6.6L Duramax LML is built from 4" mandrel bent aluminized steel tubing. Featuring a unique OE style tapered flange to fit the flanged down pipes found on models built after July 2014. Atlas exhaust race pipes are the perfect combination of performance, fit and value. Leak-Free Seal: A unique tapered OE style flange is used for a complete 360 degree sealing surface. Perfect Fit: A OE style bayonet hanger is used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: This ATLAS exhaust race pipe is constructed of 4" mandrel bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Features: Retains Factory Tail-Pipe 4" Mandrel-Bent Aluminized Tubing Uses Factory Mounting Points To Provide Stability OE Style Tapered Flange For 360-Degree Sealing Surface OE Style Bayonet Hanger To Maintain Stable Pipe Location Notes: The factory exhaust system will need to be cut prior to installation. Fits only on models manufactured after July 2014 with flanged downpipe. Will not fit on Cab and Chassis models. Fits 133.7" to 167.7" wheel bases only. Fits: Crew Cab/Short Bed (153.7" Wheelbase), Crew Cab/Long Bed (167.7" Wheelbase), Extended Cab/Short Bed (144.2" Wheelbase), Extended Cab/Long Bed (158.2" Wheelbase) and Standard Cab/Long Bed (133.7" Wheelbase) models. Warning: This free-flow race exhaust pipe requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-44027 MACH Force-Xp 4" 409 Stainless Steel Race Pipe 8659 20.00 AFE 49-44027 MACH Force-Xp 4" 409 Stainless Steel Race Pipe
$ 327.18
The AFE 49-44027 MACH Force-Xp 4" 409 Stainless Steel Race Pipe for your 2011-2016 GM 6.6L Duramax LML is engineered to perform in the most extreme environments. This pipe is constructed from 4" mandrel bent stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. MACH Force XP exhaust race pipes are the perfect combination of performance, fit and value. Installation is a Snap: All systems use factory mounting locations providing stability and hassle-free installation. Perfect Fit: OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: MACH Force XP exhaust race pipes are constructed of 4" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Features: 4" 409 Stainless Steel For Off-Road / Race Use Fitment Note: This race pipe fits all Crew and Extended Cabs excluding Extended Cab, Short Bed. Warning: This free-flow race exhaust pipe requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-44028 MACH Force XP 4" Race Front Pipe 8937 18.00 AFE 49-44028 MACH Force XP 4" Race Front Pipe
$ 348.12
The AFE 49-44028 MACH Force XP 4" Race Front Pipe for your 2011-2015 GM 6.6L Duramax is built for maximum performance and lower EGT's. This free flowing race downpipe outflows the factory exhaust and is constructed out of durable 4" mandrel bent 409 stainless steel. This down tube also has a welded on Urea injector bracket for a clean place to hook up your Urea Injection Tubes. Features: 4" Mandrel Bends - For Maximum Flow 409 Stainless Steel Construction Fitment Note: This front pipe will only fit 2015 models manufactured before July 2014. Models built after July of 2014 are equipped with a 3-bolt down pipe flange connection that is not compatible with this product. Warning: This free-flow race front pipe requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-44055 Large Bore HD 4" Race Front Pipe 30139 21.00 AFE 49-44055 Large Bore HD 4" Race Front Pipe
$ 359.1
The AFE 49-44055 Large Bore HD 4" Race Front Pipe Race Front Pipe for your 2015.5-2016 GM 6.6L Duramax LML is constructed from 4" mandrel bent stainless steel tubing for maximum flow, increased horsepower and torque. The Race pipe is designed with a unique tapered flange to fit the flanged down pipes found on models built after July 2014. Installation is a Snap: This System uses factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: A unique tapered OE style flange is used for a complete 360 degree sealing surface. Perfect Fit: A OE style bayonet hanger is used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: The LARGE Bore HD exhaust race pipe is constructed of 4" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque. Features: 4" Stainless Steel Construction Utilizes Factory Mounting Locations High Quality OE Style Tapered Flange Note: These kits will only fit models manufactured after July 2014 equipped with a flanged down pipe. Does not fit cab and chassis, Fits 133.7 " to 167.7" wheel bases only.
AFE 49-44066 Large Bore HD 4" Race Pipe 28945 30.00 AFE 49-44066 Large Bore HD 4" Race Pipe
$ 391.02
The AFE 49-44066 Large Bore HD 4" Race Pipe for your 2011-2015 GM 6.6L Duramax LML is constructed from mandrel-bent stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. LARGE BORE HD exhaust race pipes are the perfect combination of performance, fit and value. Uses OE mounting hangers for secure mounting and hassle-free installation. The factory exhaust system will require to be cut prior to installation. Leak-Free Seal: High quality OE style flanges are used for a complete 360 degree sealing surface. Perfect Fit: OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: MACH Force XP exhaust race pipes are constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Features: Retains Factory Tail-Pipe 4" Mandrel-Bent Stainless Steel Construction OE Bayonet Style Flanges For Secure Mounting High Quality OE Style Flanges For 360 degree Sealing Surface Uses Factory Mounting Locations For Hassle- Free Installation Notes: For 2015 models with v-band connection at front-pipe. Requires cutting of the factory exhaust system for installation Fits: Crew Cab/Short Bed (153.7" Wheelbase), Crew Cab/Long Bed (167.7" Wheelbase), Extended Cab/Short Bed (144.2" Wheelbase), Extended Cab/Long Bed (158.2" Wheelbase) and Standard Cab/Long Bed (133.7" Wheelbase) models. Warning: This free-flow race exhaust pipe requires the use of an aftermarket performance programmer with off-road tuning.
AFE 49-44067 Large Bore HD 4" Race Pipe 28943 31.00 AFE 49-44067 Large Bore HD 4" Race Pipe
$ 391.02
The AFE 49-44067 Large Bore HD 4" Race Pipe for your 2015.5-2016 GM 6.6L Duramax LML is constructed from 4" mandrel bent stainless steel for maximum flow and increased horsepower and torque. The Race pipe is designed with a unique tapered flange to fit the flanged down pipes found on models built after July 2014. Leak-Free Seal: A unique tapered OE style flange is used for a complete 360 degree sealing surface. Perfect Fit: A OE style bayonet hanger is used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Flow and Performance: The LARGE BORE HD race pipe is constructed of 4"" mandrel bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque. Features: Retains Factory Tail-Pipe 4" Mandrel-Bent Stainless Steel Construction Unique High-Quality OE style Tapered Flange OE Style Bayonet Hangers For Secure Mounting Uses Factory Mounting Locations For Hassle-Free Install Notes: The factory exhaust system will need to be cut for installation. For use on models built after July 2014 with flanged downpipe. Will not fit on Cab and Chassis models. Fits 133.7" to 167.7" wheelbases only. Fits: Crew Cab/Short Bed (153.7" Wheelbase), Crew Cab/Long Bed (167.7" Wheelbase), Extended Cab/Short Bed (144.2" Wheelbase), Extended Cab/Long Bed (158.2" Wheelbase) and Standard Cab/Long Bed (133.7" Wheelbase) models. Warning: This free flow race exhaust pipe requires the use of an aftermarket performance programmer with off-road tuning.
P1 Race Parts CGMAL426 4" Installer Series Race Pipe 32270 47.00 P1 Race Parts CGMAL426 4" Installer Series Race Pipe
$ 209.99
Give your 2011-2015 GM 6.6L Duramax the competitive edge with the P1 Race Parts CGMAL426 4" Installer Series Competition Race Pipe. P1 Race Parts Competition Series Race Pipes are built from aluminized steel and come complete with OE style hangers and clamps for an easy installation. This 4" Race Pipe provides maximum flow for your purpose built, race truck. Features: No Sensor Bungs 4" Aluminized Steel OE Style Hangers For Easy Installation Maximum Flow For Competition Applications Note: This free-flow race pipe requires the use of an aftermarket performance programmer with off-road tuning. This product fits 2500HD/3500HD pickups. It is not intended for use on Cab and Chassis applications.
P1 Race Parts CGMAL429 4" Installer Series Race Pipe 32269 37.00 P1 Race Parts CGMAL429 4" Installer Series Race Pipe
$ 239.99
Give your 2015.5-2016 GM 6.6L Duramax the competitive edge with the P1 Race Parts CGMAL429 4" Installer Series Competition Race Pipe. P1 Race Parts Competition Series Race Pipes are built from aluminized steel and come complete with OE style hangers and clamps for an easy installation. This 4" Race Pipe provides maximum flow for your purpose built, race truck. Features: No Sensor Bungs 4" Aluminized Steel OE Style Hangers For Easy Installation Maximum Flow For Competition Applications Note: This free-flow race pipe requires the use of an aftermarket performance programmer with off-road tuning. This product fits 2500/3500 pickups. It is not intended for use on Cab and Chassis applications.
P1 Race Parts CGMAL431 4" Installer Series Race Pipe With Muffler 33906 37.00 P1 Race Parts CGMAL431 4" Installer Series Race Pipe With Muffler
$ 289.99
Give your 2015.5-2016 GM 6.6L Duramax LML the competitive edge with the P1 Race Parts CGMAL431 4" Installer Series Competition Race Pipe With Muffler. P1 Race Parts Competition Series Race Pipes are built from aluminized steel and come complete with OE style hangers and clamps for an easy installation. This 4" Race Pipe provides maximum flow for your purpose built, race truck. Features: No Bungs 4" Aluminized Steel Free-Flowing Performance Muffler Maximum Flow For Competition Applications Note: This free-flow race pipe requires the use of an aftermarket performance programmer with off-road tuning. This product fits GM 2500HD/3500HD pickups. It is not intended for use on Cab and Chassis applications.
P1 Race Parts CGMAL432 4" Installer Series Race Pipe With Muffler 33907 52.00 P1 Race Parts CGMAL432 4" Installer Series Race Pipe With Muffler
$ 254.99
Give your 2011-2015 GM 6.6L Duramax LML the competitive edge with the P1 Race Parts CGMAL432 4" Installer Series Competition Race Pipe With Muffler. P1 Race Parts Competition Series Race Pipes are built from aluminized steel and come complete with OE style hangers and clamps for an easy installation. This 4" Race Pipe provides maximum flow for your purpose built, race truck. Features: No Bungs 4" Aluminized Steel Free-Flowing Performance Muffler Maximum Flow For Competition Applications Note: This free-flow race pipe requires the use of an aftermarket performance programmer with off-road tuning. This product fits GM 2500HD/3500HD pickups. It is not intended for use on Cab and Chassis applications.
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