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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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aFe Exhaust Systems Reviews


F150 ecoboost

Reviewed By Kenneth H (Susanville, CA) Reviewed for a 2015 GMC Sierra —4/25/2014 9:05 PM

Great exhaust. The polished tip is my disappointment. Went on trip with my travel trailer after I had a custom muffler shop install exhaust system. The shop had to weld another 12" section on since it was to short for my standard bed 6' 6". Then after trip my polished tip had turned gold. Tried to buff it back to its Crome look but no luck. I would say order the exhaust with the black afe tip.

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