MBRP 4″ Installer Series Cat-Back Exhaust System | Exhaust System | S6000AL


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Product Description:

Built from heavy-duty aluminized steel our Installer Series performance exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major point of rust through with some budget systems our fully sealed tubing adds years to your system. Constructed to the same specifications as our top-of-the-line Pro Series we back this line with an industry-leading 3 Year Warranty.

Built to Perform
You count on your truck to handle whatever you need it to do. With MBRP performance exhaust you can make that happen with up to 18 more horsepower and 28 ft/lb more torque not to mention lower EGTs. With more pulling power, improved throttle response, and greater fuel efficiency, with an MBRP diesel performance exhaust you will be amazed at what your truck can do.

Minimize Backpressure
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 exhausted out fast. Drop exhaust gas temperature by up to 200°F 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.

Easy Installation
MBRP systems are as much fun to install as to drive with on your truck. Bolt-on, no weld design makes installation a no hassle one and a half to two-hour project. Everything is a 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.



  • 2001-2005 GM 6.6L Duramax (With Catalytic Converter) (All Crew & Ext. Cabs)



  • Cat-Back Exhaust System
  • Rich, Mellow Exhaust Note
  • 4″ Aluminized Steel Construction
  • Installs With Common Hand Tools
  • Mirror Polished, T304 Stainless Steel Exhaust TIp
  • 3 Year Warranty



All Crew & Extended Cabs applies to GM 2500HD/3500HD Pickups.  Not for use on Cab & Chassis.

This system can be used on Regular cabs with the purchase of the regular cab adapter.

Additional information

Weight 60 lbs
Dimensions 46 × 16 × 10 in


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