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MBRP S6022409L 5 inch Cat Back Single Outlet Exhaust 01-05 6.6L GM Duramax LB7 / LLY

As low as $539.99
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  • Delivers a rich, mellow exhaust note
  • Installs with common hand tools
  • Improved Fuel Economy
  • Boosts torque and horsepower
  • Complete Cat Back System
  • Includes 6" Polished Exhaust Tip
  • T409 Stainless Steel Construction
MBRP's XP Series is the performance exhaust of choice for the enthusiast 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 even backs this line with a Lifetime Warranty.

Built to Perform
You count on your truck to tow all of your gear to where you want it. With your MBRP performance exhaust you can make that happen with up to 18 HP more horsepower and 28 ft/lb more torque. Give your truck more pulling power and much improved throttle response with an MBRP diesel exhaust system. These systems are so much more efficient, it will be easy to see what your truck can really 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 exhaust out fast. Drop exhaust gas temperature by up to 200

MBRP 5" Cat Back Single Outlet Stainless Steel XP Series Exhaust

2001-2005 6.6L GM Duramax LB7 / LLY

Give your LB7 or LLY a boost in power with this easy to install Cat Back system from MBRP.  This system removes the exhaust flow restrictive stock pipes and replaces them with huge 5" constant diameter pipes that slash EGTs and practically eliminate backpressure giving your Duramax a big boost in power. Gain horsepower, torque, and MPGs with just one install!

MBRP S6022409L 5 inch Cat Back Single Outlet Exhaust 01-05 6.6L GM Duramax LB7 / LLY fits the following vehicles:

  • 2001 GMC Sierra 2500
  • 2001 GMC Sierra 2500 HD
  • 2001 GMC Sierra 3500
  • 2002 GMC Sierra 2500
  • 2002 GMC Sierra 2500 HD
  • 2002 GMC Sierra 3500
  • 2003 GMC Sierra 2500
  • 2003 GMC Sierra 2500 HD
  • 2003 GMC Sierra 3500
  • 2004 GMC Sierra 2500
  • 2004 GMC Sierra 2500 HD
  • 2004 GMC Sierra 3500
  • 2005 GMC Sierra 2500 HD
  • 2005 GMC Sierra 3500