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MBRP 4" Duramax Exhaust System (Filter-Back)

Our Price: From $262.78 to $457.49
Manufacturer: MBRP Inc,

Application: 07.5-09 GM 6.6L Duramax LMM

Product Options


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.   

Buy Now and receive a MBRP T5051 mirror polished stainless steel angled cut exhaust tip(s) FREE!

Free MBRP Exhaust Tip


  • 4" Mandrel bent tubing for maximum flow
  • Lower Exhaust Gas Temperatures
  • More Pulling Power
  • Utilizes OEM Hangers
  • Increased Horsepower and Torque
  • Easy Bolt-on Kits, "Everything you need"
  • 5" Exhaust Tip Included

Here's what you've been waiting for.  A performance exhaust system designed to work with the advanced emissions control system incorporated into the new GMC/Chevy Duramax trucks.  The filter back design connects to the diesel particulate filter (DPF) so there is no risk of triggering sensors or compromising the emission system.  From there, MBRP Inc. has improved exhaust flow by reducing bend degree angles and eliminating the stock muffler.  Our tests have proven sufficient noise suppression without the stock muffler.  Our system tunes the sound to a pleasing growl.

  • T304 - Lifetime Warranty
  • T409 - Lifetime Warranty
  • Aluminized - 3 Year Warranty
        

Additional Information

Install Sheet

Product Reviews

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(8 Ratings, 3 Reviews) Average Rating:
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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.
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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.
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MBRP LMM EXHAUST
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.