MBRP 4" Dual XP Series Downpipe-Back Exhaust System S6006409

The MBRP 4" Dual  XP Series Downpipe-Back Exhaust System S6006409 is the perfect option for the 2001-2004 GM 6.6L Duramax owner who needs a system that can take anything that the road throws at it. This system's rugged sixteen gauge T409 construction can be counted on to withstand everything from salt to rocks, tar to grime. MBRP has had such success with this series that they back it with a Lifetime Warranty.

You count on your truck to tow all of your gear to where you want it. Your MBRP performance exhaust can make that happen with up to 18 HP more and 28 ft/lb more torque. Give your truck more pulling power and much improved throttle response with an MBRP diesel exhaust system.

The secret to getting more out of your diesel engine is to give it lots of cool, clean air. The only way that you can get fresh air in is to get the hot air out. From the spiral louvered high flow muffler to the fully mandrel bent tubing to minimal bend degree angles, your MBRP performance system gets exhaust out fast. Drop exhaust gas temperature by up to 200 degrees and set the stage for all the performance you want. An MBRP performance exhaust system is the starting point to getting the most from cold air intakes, programmers, modules and downloaders. 

MBRP systems are as much fun to install as to drive with on your truck. Bolt-on, no weld design makes installing this on your truck a no hassle project. Everything is direct fit to the OEM hangers and you get all the clamps and parts you will need, all in one box, no matter what configuration of truck you have.

Performance is one thing but at MBRP we believe that appearance and sound is just as important. Every MBRP performance exhaust system has been specifically tuned to get the optimal sound from your pickup. With an MBRP brand etched on the tip and their unmistakable styling, there's no question that you have the hottest exhaust on the road - MBRP.

All Crew & Extended Cabs applies to 2500HD/3500HD Pickups.

This exhaust system is not intended for use on Cab & Chassis models. 

To install this system on a Regular Cab model, you must purchase the MBRP Regular Cab Adapter. (see below)

Dual Exhaust Systems are not recommended for use on trucks with in-bed hitch.