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GMC Diesel Exhaust Systems

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Latest Customer Reviews

Magnaflow Exhaust Systems Reviews


2015 GMC Sierra Denali 6.2L Magnaflow Cat Back Exhaust

Reviewed By Rick T (East Peoria, IL) Reviewed for a 2015 GMC Sierra —7/4/2015 10:56 PM

Overall, very pleased with the Magnaflow exhaust. Two of the four hangers were off a bit and had to be adjusted, but I am a perfectionist. They probably would have been fine but now they are perfectly aligned. Exhaust has a very nice throaty sound when accelerating and quiet when cruising. Has a pretty good rumble when starting cold. Not too crazy about a five inch exhaust tip. Kind of makes it look like a diesel truck exhaust. The more I drive the truck with this exhaust, the better I like it.

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Flowmaster Exhaust Systems Reviews


Great sounding exhaust

Reviewed By Jack D (Somerville, TN) Reviewed for a 2001 GMC Sierra —6/16/2015 5:59 AM

Flowmaster has always made great sounding exhaust. I had to remove an aftermarket hitch because the side brackets were too low and my son wanted the exhaust out the side. I found a factory hitch that fit with no problems. Other than that, which wasn't Flowmaster's fault, the exhaust install was very straight forward. We are very happy with the look and sound.

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Borla Exhaust Systems Reviews


Cat back 2015 GMC sierra crewcab 6.2 "S" series

Reviewed By scott n (Nashua, NH) Reviewed for a 2015 GMC Sierra —5/9/2015 6:25 AM

The salesman at autoanything was very helpful and knowledgeable about products and pricing for my truck. I was after a exhaust that would not just make noise but would sound great and add some performance at the same time. This dual side exit was a breeze to install, under 2 hrs complete. Lined up perfectly and all the hardware fit right. The sound from the first turn of the key was motor music. Great idle, acceleration and cruising. I was concerned about drone and have to say I don't notice any

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