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MBRP Duramax
4" Cool Duals Exhaust System

GM Duramax Diesel Exhaust
MBRP's Cool Duals are engineered to the tightest tolerances for a precision bolt on fit that you can count on. These duals deliver with the most power, the most horsepower and a rich mellow sound that just won't quit. And of course, the Cool Duals look will separate your truck from the rest of the pack.
cool duals exhaust
free tip
Looking to give your Duramax a big look and sound? Look no further than MBRP's Cool Duals to give your GM just that. Boasting fully mandrel bent tail pipes and the most capable flowing muffler in the industry, MBRP's Cool Duals take the guesswork out of adding dual exhaust to your GM Duramax. These systems are designed for full bolt on installation and do not require you to lose your factory spare or rear mount hitch and come with everything you need including the tips! Added horsepower, torque, and fuel economy have never looked so good all while being backed by the best warranties in the business. These 4" Cool Duals systems are available in the Pro Series, XP Series and Installer Series to fit every budget.
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MBRP Free hat and 20% off

20% OFF MBRP Diesel Exhaust Systems & a FREE MBRP Hat- Instant Rebate
Get 20% off MBRP diesel exhaust systems now through Cyber Monday. Also get a free MBRP hat with every MBRP diesel exhaust system purchase.

  • 20% Instant Rebate on MBRP Diesel Exhaust Systems.
  • Free Hat with MBRP Diesel Exhaust Systems.
NOTE: This product CAN NOT ship to California due to CARB regulations.
MBRP Series Select Chevy/GMC Duramax Truck Order

T-304 Stainless

on sale
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T-409 Stainless

on sale
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on sale
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01-07 Duramax
Regular Cab Adapter Pipe

free shipping with no handling
The regular cab adapter pipe is designed to use a 4" MBRP EC/CC exhaust system on a regular cab truck.
MBRP authorized dealer

Thoroughbred Diesel is a MBRP Factory Authorized Online Retailer ID#:463340391

Shop with the confidence in knowing that our MBRP products are backed up by the Manufacturer. Thoroughbred Diesel is a real shop that works on diesel trucks. We install exhaust systems as well as all the performance products we sell at our shop.

Call us at 866-737-4966 for free advice on a diesel exhaust system.

Thoroughbred Diesel logo glowing Thoroughbred Diesel Performance and Repair Shop
4843 Rockwell rd.
Winchester, KY 40391
Call Toll Free: 1-866-737-4966

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