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GMC Diesel Exhaust Systems

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Latest Customer Reviews

Borla Exhaust Systems Reviews

Borla Atak 2015 GMC Sierra

Reviewed By Heath C (MOODY, AL) Reviewed for a 2015 GMC Sierra —10/8/2015 7:12 AM

Great deep sound. Not overly loud at idle. Easy bolt on install. Looks great on the truck and looks like it could of came from the factory that way. You get what you pay for, which in this case an amazing product that will out last the truck.

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Gibson Exhaust Systems Reviews

Great sounding! Easy to install

Reviewed By Mark B (berwick, ME) Reviewed for a 2013 GMC Sierra —10/5/2015 12:20 PM

Other than the cheap clamps (broke two on install) this is a nice system. Ended up welding it together. Love the sound...not too loud but very deep.

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Gibson Metal Mulisha Exhaust Systems Reviews

Great exhaust

Reviewed By Erik R (SEFFNER, FL) Reviewed for a 2014 GMC Sierra —10/1/2015 4:20 PM

This took roughly an hour for installation and was pretty easy. A big change in both exhaust note and throttle response. The truck roars to life now, but maintains a gentle purr at idle and cruising. Combined with the Airaid CAI this dynamic duo lowered RPMs, increased MPGs (avg +1 MPG so far), and seriously increased driving excitement.

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