4" exhaust Products

The 4" Selective Catalyst Reduction Unit pipe will eliminate the OEM SCR on 2011-2012 Dodge 6.7L Cummins 4500/5500 Cab & Chassis vehicles. It will bolt on to the factory DPF Cat or a corresponding DPF delete pipe. Race tuning required.

Flo~Pro 4" Aluminized Steel Turbo Back exhaust kit for your 1994 - 2002 Dodge 5.9L Cummins RC-EC/SB-LB-Dually NM / No Tip

Flo~Pro 4" T-409 Stainless Steel Turbo Back exhaust kit for your 1994 - 2002 Dodge 5.9L Cummins RC-EC/SB-LB-Dually NM / No Tip

Flo~Pro 4" Aluminized Steel Turbo Back exhaust kit for your 1999 - 2003 Ford 7.3L Powerstroke NM / No Tip

Flo~Pro 4" T-409 Stainless Steel Turbo Back exhaust kit for your 1999 - 2003 Ford 7.3L Powerstroke NM / No Tip

Flo~Pro 4" T-409 Stainless Steel Turbo Back exhaust kit for your 1999 - 2003 Ford 7.3L Powerstroke - With Muffler / No Tip

P1 Race Parts Performance Series 4" Down Pipe Back Exhaust System for your 2017-2019 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 4" Down Pipe Back PLM Series Exhaust System for your 2017-2019 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.

P1 Race Parts 4" Down Pipe Back SLM Series Exhaust System for your 2017-2019 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.

Increase flow and power on your 2017-2019 Ford Powerstroke 6.7L diesel pickup with this 4" aluminized turbo down pipe from P1 Race Parts.

MBRP's Performance Series 4" Turbo Back Exhaust System for your 1999-2003 Ford 7.3L Powerstroke diesel pickup. Made from heavy gauge aluminized steel, this kit comes with an aluminized muffler. No exhaust tip comes with this system.

MBRP's Performance Series 4" DPF Filter Back Exhaust System for your 2008-2010 Ford Powerstroke 6.4L F250F350F450 pickup. Made from heavy gauge aluminized steel. No exhaust tip is included.

MBRP's 4" DPF Filter Back PLM Series Exhaust System for your 2011-2016 Ford 6.7L Powerstroke 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 Performance Series 4" Turbo Back Exhaust System for your 2013-2018 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 2007-2010 GMC/Chevy 6.6L Duramax LMM 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' 4" Down Pipe Back PLM Series Exhaust System for your 2007-2010 GMC Chevy 6.6L Duramax LMM diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

P1 Race Parts Performance Series 4" Turbo Back Exhaust System for your 2007-2009 Dodge Cummins 6.7L 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 4" Turbo Back PLM Series Exhaust System for your 2007-2009 Dodge Cummins 6.7L diesel pickup. Made from heavy gauge aluminized steel, this free-flow kit does not come with a muffler or exhaust tip.

P1 Race Parts Performance Series 4" Down Pipe Back Exhaust System for your 2015.5-2016 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. This system is designed for trucks with 3-bolt flanges only.

P1 Race Parts 4" Down Pipe Back PLM Series Exhaust System for your 2015.5-2016 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. Designed for GM's with 3-bolt down pipe systems.

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.