4" exhaust Products

P1 Race Parts Performance Series 4" Down Pipe Back Exhaust System for your 2011-2015 GMC Chevy 6.6L Duramax LML diesel pickup. Made from heavy gauge aluminized steel, this kit comes with a 304 polished stainless muffler. No exhaust tip comes with this system. *Will Not Fit 2015.5 With 3 Bolt Flange Downpipe

P1 Race Parts Performance Series 4" Turbo Back Exhaust System for your 2010-2012 Dodge 6.7L Cummins diesel pickup. Made from heavy gauge aluminized steel, this kit comes with a 304 polished stainless muffler. No exhaust tip comes with this system.

P1 Race Parts Performance Series 4" Down Pipe Back Exhaust System for your 2011-2016 Ford Powerstroke 6.7L F250/F350/F450 pickup. Made from heavy gauge aluminized steel, this kit comes with a 304 polished stainless muffler. No exhaust tip comes with this system.

P1 Race Parts Performance Series 4" Down Pipe Back Exhaust System for your 2008-2010 Ford 6.4L Powerstroke F250/F350/F450 pickup. Made from heavy gauge aluminized steel, this kit comes with a 304 polished stainless muffler. No exhaust tip comes with this system.

This aluminized steel 4" DPF Delete Race Pipe from P1 Race Parts fits your 2007-2012 Dodge Ram 6.7L Cummins 2500/3500 pickup. Race tuning is required to install this kit. CAT delete pipe not included.

This P1 Race Parts kit replaces the Catalytic Converter and DPF (Diesel Particulate Filter) system in your 2007-2012 Dodge Ram 6.7L Cummins. This kit has an aluminized steel finish and also includes a new turbo down pipe.

This P1 Race Parts kit replaces the Catalytic Converter and DPF (Diesel Particulate Filter) system in your 2007-2012 Dodge Ram 6.7L Cummins. This kit has a stainless T409 finish and also includes a new turbo down pipe.

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 aluminized steel kit fits 2008-2010 Ford Powerstroke 6.4L F250/F350/F450 diesels.

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 aluminized steel kit fits 2011-2016 Ford Powerstroke 6.7L F250/F350/F450 diesels.

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 2008-2010 Ford Powerstroke 6.4L F250/F350/F450 diesels.

MBRP's 4" Downpipe Back XP Series Exhaust System for your 2001-2007 GMC Chevy Duramax 6.6L LB7, LLY, and LBZ diesel pickup. Made from 16 gauge T409 stainless steel (which lasts longer than aluminized exhaust), this kit comes with a T304 polished stainless muffler and exhaust tips.

MBRP's 4" aluminized AL INSTALLER Series Down Pipe Back Exhaust System for your 2001-2007 GMC Chevy 6.6L Duramax LB7, LLY, and LBZ diesel truck comes with an aluminized muffler and MBRP exhaust tip.

MBRP's Performance Series 4" Cat-Back Exhaust System for your 2001-2007 GMC Chevy 6.6L Duramax LB7, LLY, and LBZ diesel pickup. Made from heavy gauge aluminized steel, this kit comes with an aluminized muffler. No exhaust tip comes with this system.

MBRP's AL INSTALLER Series 4" DPF (Diesel Particulate Filter) Back Aluminized Exhaust System for your 2007-2010 GMC Chevy Duramax 6.6L LMM diesel pickup. Made from heavy gauge aluminized steel, this kit includes a T304 polished stainless MBRP exhaust tip.

MBRP's Performance Series 4" DPF Filter Back Exhaust System for your 2007-2010 GMC Chevy Duramax 6.6L LMM diesel pickup. Made from heavy gauge aluminized steel. No exhaust tip is included.

MBRP's AL INSTALLER Series 4" DPF Back Exhaust kit with an aluminized steel finish for your 2011-2019 GM 6.6L Duramax LMLL5P diesel truck. This kit uses a single side exit and comes with no muffler, but comes with a polished stainless exhaust tip.

MBRP's 4" Turbo Back XP Series Exhaust System for your 2003-2004 Dodge Cummins 5.9L diesel pickup. Made from 16 gauge T409 stainless steel (which lasts longer than aluminized exhaust), this kit comes with a T304 polished stainless muffler and exhaust tip.

MBRP's 4" aluminized AL INSTALLER Series Turbo Back Exhaust System for your 2003-2004 Dodge Cummins 5.9L diesel truck comes with an aluminized muffler and MBRP stainless exhaust tip.

MBRP's Performance Series 4" Turbo Back Exhaust System for your 2003-2004 Dodge Cummins 5.9L diesel pickup. Made from heavy gauge aluminized steel, this kit comes with an aluminized muffler. No exhaust tip comes with this system.

P1 Race Parts Performance Series 4" Turbo Back Exhaust System for your 2004.5-2007 Dodge Cummins 5.9L diesel pickup. Made from heavy gauge aluminized steel, this kit comes with a 304 polished stainless muffler. No exhaust tip comes with this system.

MBRP's 4" DPF (Diesel Particulate Filter) Back XP Series Exhaust System for your 2007.5-2012 Dodge Ram Cummins 6.7L 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.