MBRP 4" XP Series Filter-Back Exhaust System S6026409

2007.5-2010 GM 6.6L Duramax LMM (All Cabs & Beds)
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MBRP Performance Exhaust
XDP Part Number:
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XDP - MBRP Authorized Online Retailer XDP is a MBRP Factory Authorized Online Retailer ID# 600207727. We would like you to shop with confidence knowing your purchase is covered by the manufactures warranty.   

The Best Systems Start with the Best Materials

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. We have had such success with this line that we back it 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 to18 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. Our 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 200ºF 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 installing this on your truck a no hassle one and a half to two hour 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.

Sound & Style

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 our MBRP brand etched on the tip and our unmistakable styling, there's no question that you have the hottest exhaust on the road - MBRP.


  • 4" T409 Stainless Steel Construction
  • Filter-Back Exhaust System
  • Lifetime Warranty
  • Rich, Mellow Exhaust Note
  • Installs With Common Hand Tools
  • Mirror Polished, T304 Stainless Steel Exhaust Tip

Application Note: All Cabs & Beds applies to  GM 2500HD/3500HD Pickups. This system is not designed for use on Cab & Chassis models.

Buy Now and receive a MBRP mirror polished stainless steel angled cut exhaust tip(s) FREE!

Free MBRP Exhaust Tip

Mfg. Number:

Customer Reviews - Include your order number for a chance to win a $100 GiftCard

(14 Ratings, 4 Reviews) Average Rating:
Alan (Tulsa, OK) 10/3/2010 8:49 PM
Installs in 20min, was able to remove the old muffler and tail pipe without cutting anything. Just drop the spare tire and pull it out to back. No sound or MPG change but it looks 10 times better than the stock megaphone.
MBRP LMM Exhuast
Cameron (Missouri) 3/6/2010 3:51 PM
Exhuast looks great! Install took 30 mins. tops. Sound is about the same. if you want to know how it will sound before you buy it, unhook the stock flange after the dpf and thats the tone you'll have. other than that, its great.
MBRP LMM single
(Unknown) 10/5/2007 7:12 AM
Great Quality install was cake (20 minutes) Looks Awesome! Sounds about the same as stock but my mileage went up at least 2 MPG! the hardest part was cutting off the old system. The best part was getting rid of that ugly stock tailpipe.
Anonymous (Unknown) 9/6/2007 12:15 AM
This exhaust looks good only. Does not fit properly in oem mounts and makes not sound difference. I could have saved and purchased a Stainless Tip. Needless to say this was a very expensive stainless tip.