4" exhaust Products

Flo~Pro 4" Aluminized 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

This aluminized steel 4" Cat & DPF Delete Race Pipe Kit from P1 Race Parts fits your 2013-2018 Dodge Ram 6.7L Cummins 2500/3500 pickup. It has no bungs on the pipes and does not come with a muffler. Race tuning is required to install this kit.

This aluminized steel 4" Cat & DPF Delete Race Pipe Kit from P1 Race Parts fits your 2013-2018 Dodge Ram 6.7L Cummins 2500/3500 pickup. It has no bungs on the pipes and comes complete with a muffler. Race tuning is required to install this kit.

Flo~Pro 4" T-409 Stainless Steel Turbo Back exhaust kit for your 2003 - 2004 Dodge 5.9L Cummins EC-QC/SB-LB-Dually - With Muffler / No Tip

This replacement 4" stainless steel turbo down pipe from Flo~Pro mates 4" exhaust with the OEM-style HX/HY35 Holset turbocharger outlet flange for your 1994 - 2002 Dodge 5.9L Cummins.

This T409 stainless steel 4" Cat & DPF Delete Race Pipe Kit from P1 Race Parts fits your 2013-2018 Dodge Ram 6.7L Cummins 2500/3500 pickup. It has no bungs on the pipes and comes complete with a muffler. Race tuning is required to install this kit.

This 4" DPF & Cat Delete Race Exhaust Pipe kit from P1 Race Parts replaces the piping area where your DPF and CAT used to sit. This T409 Stainless Steel kit fits 2011-2016 Ford Powerstroke 6.7L F250/F350/F450 diesels.

This aluminized steel 4" Cat & DPF Delete Race Pipe Kit from P1 Race Parts fits your 2015.5-2017 GMC Chevy Duramax 6.6L 2500/3500 pickup with the LML engine. This kit will only fit models equipped with the OEM-style 3-bolt flange coming off of the turbo direct pipe. Race tuning required.

Flo~Pro 4" T-409 Stainless Steel Cat & DPF Delete Pipe kit for 2015.5-2016 GMC/Chevy Duramax 6.6L LML trucks. Will only fit models equipped with OEM-style 3-bolt flange off of the turbo direct pipe!

MBRP's 4" Down Pipe Back PLM Series Exhaust System for your 2001-2007 GMC Chevy 6.6L Duramax LB7, LLY, and LBZ diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

MBRP's 4" Turbo Back PLM Series Exhaust System for your 1994-2002 Dodge Cummins 5.9L diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

P1 Race Parts 4" Turbo Back PLM Series Exhaust System for your 2004.5-2007 Dodge Cummins 5.9L diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

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

MBRP's 4" Turbo Back PLM Series Exhaust System for your 2003-2007 Ford Powerstroke 6.0L F250F350 diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

P1 Race Parts 4" Down Pipe Back PLM Series Exhaust System for your 2011-2015 GMC Chevy Duramax 6.6L LML diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip. *Will Not Fit 2015.5 With 3 Bolt Flange Downpipe

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

P1 Race Parts 4" Turbo Back PLM Series Exhaust System for your 2008-2010 Ford Powerstroke 6.4L F250/F350/F450 diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

P1 Race Parts 4" Down Pipe Back PLM Series Exhaust System for your 2011-2016 Ford Powerstroke 6.7L F250/F350/F450 diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

MBRP's 4" Cat-Back SLM Series Exhaust System for your 2001-2007 GMC Chevy 6.6L Duramax LB7, LLY, and LBZ 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 2007-2010 GMC Chevy 6.6L Duramax LMM 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" Turbo Back SLM Series Exhaust System for your 1994-2002 Dodge Cummins 5.9L diesel pickup. Made from 16 gauge T409 stainless steel, this free-flow kit does not come with a muffler or exhaust tip and lasts longer than aluminized steel exhaust.