4" exhaust Products

MBRP's 4" Turbo Back PRO Series Exhaust System for your 1999-2003 Ford Powerstroke 7.3L F250F350 diesel pickup. Made from mirror polished T304 stainless steel (which lasts longer than aluminized exhaust), this kit comes with a polished stainless muffler and exhaust tip.

MBRP's 4" aluminized AL INSTALLER Series Turbo Back Exhaust System for your 1999-2003 Ford Powerstroke 7.3L F250F350 diesel truck comes with an aluminized muffler and an MBRP exhaust tip.

MBRP's 4" Cat-Back PRO Series Exhaust System for your 2001-2007 GMC Chevy Duramax 6.6L LB7, LLY, and LBZ diesel pickup. Made from mirror polished T304 stainless steel (which lasts longer than aluminized exhaust), this kit also comes with a polished stainless muffler and exhaust tip.

MBRP's 4" Turbo Back PRO Series Exhaust System for your 2003-2007 Ford Powerstroke 6.0L F250F350 diesel pickup. Made from mirror polished T304 stainless steel (which lasts longer than aluminized exhaust), this kit comes with a polished stainless muffler and exhaust tip. Retains factory Cat.

MBRP's 4" DPF (Diesel Particulate Filter) Back BLK Series Exhaust System for your 2007-2010 GMC Chevy 6.6L Duramax LMM diesel pickup. Made from heavy gauge black coated aluminized steel, this kit also includes a black coated exhaust tip.

MBRP's 4" DPF (Diesel Particulate Filter) Back BLK Series Exhaust System for your 2008-2010 Ford Powerstroke 6.4L F250F350F450 diesel pickup. Made from heavy gauge black coated aluminized steel, this kit also includes a black coated exhaust tip.

MBRP's 4" DPF (Diesel Particulate Filter) Back BLK Series Exhaust System for your 2010-2012 Dodge Ram Cummins 6.7L diesel pickup. Made from heavy gauge black coated aluminized steel, this kit also includes a black coated exhaust tip.

This exhaust kit from MBRP replaces your factory exhaust from the DPF system to the tail and fits 2011-2019 GMCChevy 6.6L Duramax LML and L5P model diesel pickup trucks. It has an Aluminized Steel finish with dual outlets and comes with exhaust tips.

MBRP's 4" DPF (Diesel Particulate Filter) Back PRO Series Exhaust System for your 2011-2019 GMC Chevy Duramax 6.6L LML and L5P diesel pickup. Made from mirror polished T304 stainless steel (which lasts longer than aluminized exhaust), this kit also comes with a polished stainless muffler and exhaust tip.

MBRP's AL INSTALLER Series 4" DPF Filter Back Exhaust System for your 2011-2016 Ford Powerstroke 6.7L F250F350F450 diesel pickup. Made from heavy gauge aluminized steel, this kit includes a T304 polished stainless MBRP exhaust tip.

MBRP's 4" DPF (Diesel Particulate Filter) Back XP Series Exhaust System for your 2011-2016 Ford Powerstroke 6.7L F250F350F450 diesel pickup. Made from 16 gauge T409 stainless steel (which lasts longer than aluminized exhaust), this kit also comes with a T304 polished stainless exhaust tip.

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

This aluminized steel 4" Cat & DPF Delete Race Pipe Kit from P1 Race Parts fits your 2011-2015 GMC Chevy Duramax 6.6L 2500/3500 pickup with the LML engine. Race tuning required. Does Not Fit Late Models With 3 Bolt Flange - Must Use MBGM8427 Downpipe

A replacement muffler delete pipe for 2003-2004 and 2013-2018 Dodge Cummins trucks. If you have a muffler currently in your truck (with 4" aftermarket Flo~Pro exhaust) and want to delete it, or, just require a replacement, then this is the pipe for you!

Flo~Pro 4" Aluminized Cat-Back Exhaust for your 2001 - 2005 GMC/Chevy Duramax 6.6L LB7 / LLY - With Muffler, No Tip. This exhaust system is for trucks with an OEM 4 Bolt Flange coming off of the catalytic convertor.

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

Flo~Pro 4" Aluminized 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 Cat Delete pipe kit for your 2007.5-2012 Dodge Cummins 6.7L pickup or Cab & Chassis - eliminates the down pipe catalytic convertor.

Flo~Pro 4" T409 Stainless Steel DPF & SCR Delete Pipe kit for your 2013 - 2018 Dodge 6.7L Cummins 2500/3500 Pickup - No Bungs. Will not fit regular cab. NOTE: Will not fit Cab & Chassisapplications.

Flo~Pro 5" T-409 Stainless Steel Down Pipe Back exhaust kit for your 2013 - 2018 Dodge 6.7L Cummins RC-QC-MC/SB-LB - With Muffler / No Tip / No Bungs. Note: Will not fit on 2500 with air-ride.

Flo~Pro 4" T-409 Stainless Steel Down Pipe Back exhaust kit for your 2013 - 2018 Dodge 6.7L Cummins RC-QC-MC/SB-LB - No Muffler / No Tip **Note: Will not fit on 2500 with air-ride.