4" exhaust Products

Flo~Pro Aluminized 4" Down Pipe Exhaust kit for your 2017-2019 GMC/Chevy Duramax 6.6L L5P turbo diesel 2500/3500HD pickup. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Comes with muffler. Race tuning required.

Flo~Pro Aluminized 4" Down Pipe Exhaust kit for your 2017-2019 GMC/Chevy Duramax 6.6L L5P 2500/3500 turbo diesel. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Race tuning required.

Flo~Pro Stainless Steel (T409) 4" Down Pipe Exhaust kit - includes muffler. Fits your 2017-2019 GMC/Chevy Duramax 6.6L L5P turbo diesel 2500/3500HD pickup. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Race tuning required.

Flo~Pro Stainless 4" Down Pipe Exhaust kit - does not include muffler. Fits your 2017-2019 GMC/Chevy Duramax 6.6L L5P turbo diesel 2500/3500HD pickup. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Race tuning required.

Flo~Pro Aluminized 4" Down Pipe Back Exhaust kit - includes muffler. Fits for your 2017-2019 GMC/Chevy Duramax 6.6L L5P turbo diesel 3500/4500/5500 Cab & Chassis diesel. Fits CREW CAB applications only. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Race tuning required.

Flo~Pro Aluminized 4" Down Pipe Back Exhaust kit for your 2017-2019 GMC/Chevy Duramax 6.6L L5P Cab & Chassis turbo diesel. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Race tuning required. This kit does not come with a muffler and will fit Cab & Chassis MODELS ONLY.

Flo~Pro 4" Cat & DPF Delete Pipe Kit (Part 1) for 2011-2012 Dodge 6.7L Cummins 3500/4500/5500 (Cab & Chassis vehicles). Race Tuning is required with this kit for the truck to function properly.

Flo~Pro 4" Cat & DPF Delete Kit (Part 1 of 2) for 2011-2012 Dodge 6.7L Cummins 3500/4500/5500 (Cab & Chassis vehicles). This kit includes a muffler. Race Tuning is required with this kit for the truck to function properly.

MBRP's aluminized 4" Cat-Back Performance Series Exhaust System for your 2001-2005 GMC Chevy 6.6L Duramax with the LB7 or LLY engine. Comes with a T304 polished stainless muffler. Tip not included.

MBRP's Performance Series aluminized 4" cat back exhaust system, with muffler and without tip for your 2004.5-2007 Dodge Cummins 5.9L Diesel Truck.

MBRP's XP Series 4" DPF (Diesel Particulate Filter) Back DUAL exhaust kit with T409 stainless steel construction. Designed for your 2017-2021 Ford 6.7L Powerstroke F250F350F450 diesel truck. This kit also comes with two T304 polished stainless MBRP exhaust tips.

MBRP's 4" DPF (Diesel Particulate Filter) Back BLK Series Exhaust kit with an aluminized black finish for your 2011-2019 GM 6.6L Duramax LML or L5P diesel truck. This kit uses a single side exit and comes with no muffler, but comes with a black coated exhaust tip.

MBRP's 4" Turbo Back XP Series Exhaust System for your 2003-2007 Ford Powerstroke 6.0L F450F550 diesel Cab & Chassis. 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. Retains factory Cat.

MBRP's 4" Turbo Back AL INSTALLER Series Exhaust System for your 2003-2007 Ford 6.0L Powerstroke F450F550 diesel Cab & Chassis truck. Made from heavy gauge aluminized steel, this kit includes an aluminized muffler and exhaust tip. Reatins factory Cat.

MBRP's aluminized AL INSTALLER Series 4" cat-back exhaust system, with muffler, , with a single side exit for your 2001-2005 GMCChevy 6.6L Duramax with the LB7 or LLY engine.

MBRP's 4" Cat Back XP Series Exhaust System for your 2006-2007 GMC Chevy Duramax 6.6L 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 tip.

MBRP's 4" aluminized AL INSTALLER Series Cat Back Exhaust System for your 2004.5-2007 Dodge Cummins 5.9L diesel truck comes with a T304 polished stainless muffler and an MBRP exhaust tip.

MBRP's 4" Cat Back XP Series Exhaust System for your 2004.5-2007 Dodge Ram 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 AL INSTALLER Series 4" DPF (Diesel Particulate Filter) Back Exhaust System for your 2011-2014 Ford Powerstroke 6.7L F250F350F450 diesel pickup. Made from heavy gauge aluminized steel, this kit includes a T304 polished stainless MBRP exhaust tip and a replaceme fro pipe.

MBRP's 4" aluminized AL INSTALLER Series Cat Back Exhaust System for your 2004-2007 Ford Powerstroke E-350 diesel van comes with a T304 polished stainless muffler and an MBRP exhaust tip.

This aluminized 4" turbo back exhaust kit from Flo~Pro fits your 2003-2007 Ford Powerstroke 6.0L diesel truck. Fits Extended Cab and Crew Cab Short/Long Box SRW and DRW trucks equipped with a manual transmission. Includes a muffler but no exhaust tip.