4" exhaust Products

MBRP's 4" Turbo Back SLM Series Exhaust System for your 1999-2003 Ford Powerstroke 7.3L F250F350 diesel pickup. Made from 16 gauge T409 Stainless Steel, this free-flow kit does not come with a muffler or exhaust tip.

MBRP's 4" DPF (Diesel Particulate Filter) Back SLM Series Exhaust System for your 2008-2010 Ford Powerstroke 6.4L F250F350F450 diesel pickup is made from 16 gauge T409 Stainless Steel, which lasts longer than aluminized steel exhaust kits. This free-flow exhaust kit does not come with a muffler or exhaust tip.

MBRP's 4" DPF (Diesel Particulate Filter) Back SLM Series Exhaust System for your 2011-2016 Ford Powerstroke 6.7L F250F350 diesel pickup is made from 16 gauge T409 Stainless Steel, which lasts longer than aluminized steel exhaust kits. This free-flow exhaust kit does not come with a muffler or exhaust tip.

P1 Race Parts 4" Turbo Back SLM Series Exhaust System for your 2013-2018 Dodge 6.7L Cummins diesel pickup. Made from 16 gauge T409 Stainless Steel, this free-flow kit does not come with a muffler or exhaust tip.

P1 Race Parts 4" Down Pipe Back SLM Series Exhaust System for your 2008-2010 Ford Powerstroke 6.4L F250/F350/F450 diesel pickup is made from 16 gauge T409 Stainless Steel, which lasts longer than aluminized steel exhaust kits. This free-flow exhaust kit does not come with a muffler or exhaust tip.

P1 Race Parts 4" Down Pipe Back SLM Series Exhaust System for your 2011-2016 Ford Powerstroke 6.7L F250/F350/F450 diesel pickup is made from 16 gauge T409 Stainless Steel, which lasts longer than aluminized steel exhaust kits. This free-flow exhaust kit does not come with a muffler or exhaust tip.

MBRP's Performance Series Aluminized 4" Turbo-Back Exhaust System for your 1994-2002 Dodge Cummins 5.9L 1224V diesel truck. Comes with an aluminized muffler. included.

Flo~Pro 4" T-409 Stainless Steel Down Pipe Back Exhaust for your 2015.5 - 2016 GM 6.6L Duramax LML - With Muffler / No Tip. On 2015 models, only fits 3-Bolt flange style turbo downpipes, not v-band.

Flo~Pro 4" T-409 Stainless Steel Down Pipe Back Exhaust for your 2015.5 - 2016 GM 6.6L Duramax LML - No Muffler / No Tip. On 2015 models, only fits 3-Bolt flange style turbo downpipes, not v-band.

Flo~Pro 4" Aluminized Steel Down Pipe Back Exhaust for your 2011-2019 Ford 6.7L Powerstroke F350/F450/F550 Cab & Chassisvehicle - With Muffler / No Tips / No Bungs. Note: Will only fit models equipped with center mounted rear fuel tank.

Flo~Pro 4" T-409 Stainless Steel Down Pipe Back Exhaust for your 2011-2019 Ford 6.7L Powerstroke F350/F450/F550 Cab & ChassisONLY - With Muffler / No Tips / No Bungs. Note: Will only fit models equipped with center mounted rear fuel tank.

Flo~Pro 4" Aluminized Steel Down Pipe Back Exhaust for your 2011-2019 Ford 6.7L Powerstroke F350/F450/F550 Cab & ChassisONLY - No Muffler / No Tips / No Bungs. Note: Will only fit models equipped with center mounted rear fuel tank.

This pipe kit will remove the DPF system from your 2013 - 2018 Dodge 6.7L Cummins Cab & Chassis vehicle. This pipe kit does NOT include a muffler. See notes inside for details.

This pipe kit will remove the DPF system from your 2013 - 2018 Dodge 6.7L Cummins Cab & Chassis vehicle. This pipe kit INCLUDES a muffler. See notes inside for details.

Flo~Pro 4" SCR Urea Delete Pipe - fits 2013-2018 Dodge 6.7L Cummins Cab & Chassis 3500/4500/5500 trucks with a Cab->Axle measurement equal to 70".

Flo~Pro 4" SCR Urea Delete Pipe - fits 2013-2018 Dodge 6.7L Cummins Cab & Chassis 3500/4500/5500 trucks with a Cab->Axle measurement greater than 70".

This 4" aluminized DPF delete pipe from Flo~Pro is used when you are removing the Diesel Particulate Filter (DPF) System from the exhaust system of your 2007.5-2012 Dodge Cummins 6.7L. Race tuning required.

This 4" T409-Stainless Steel DPF delete pipe from Flo~Pro is used when you are removing the Diesel Particulate Filter (DPF) System from the exhaust system of your 2007.5-2012 Dodge Cummins 6.7L. Race tuning required.

Flo~Pro 4" T-409 Stainless Steel Turbo Back exhaust kit for your 2008 - 2010 Ford 6.4L Powerstroke - With Muffler / No Tip. Automatic Trans Only, EC-CC/SB-LB-Dually, No Bungs

Twister Mufflers are designed for the race track but fit for all drivers. Twister's incorporate a dual flow path which cancels drone noise while also creating a vacuum effect - accelerating the exhaust through the muffler. Stainless Steel Finish, Fits most 4" Exhaust Systems.

Flo~Pro 4" Selective Catalyst Reduction Unit pipe will eliminate the OEM SCR on 2011 - 2012 Dodge 6.7L Cummins 4500/5500 Cab & Chassis vehicles for cab->axle lengths of up to 70" and bolts on to the factory DPF Cat or a corresponding DPF delete pipe. Race tuning required.