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2011 GMC Sierra Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


Cheap clamps

Reviewed By Antone M (middletown, RI) Reviewed for a 2011 GMC Sierra —5/25/2017 4:27 PM

Good system, downfall clamps don't seal and no converter clamp . For that money through the clamp in !!

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dB Performance Exhaust by Corsa Reviews


Great exhaust!

Reviewed By Maxwell T (WINDSOR, CO) Reviewed for a 2011 GMC Sierra —4/28/2017 8:49 AM

The sound is incredible on my little 4.8L V8 an I couldn't be happier with the purchase. It has a deep growl on start up and during idle, to me it almost sounds like a diesel without the turbo whine. Very quiet in the cab when cruising and absolutely no drone. When you get on the gas you can really hear it open up. As far as performance, it feels like i had some gains especially coupled with my CAI but its to early to tell if I'm getting any extra MPGs. Can't stop mashing the pedal to the floor!

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Gibson Exhaust Systems Reviews


Owens

Reviewed By Byron O (Hallstead, PA) Reviewed for a 2011 GMC Sierra —11/30/2016 2:29 AM

Love my new Gibson exhaust system! Went on like a glove,sound is great and price is unbelievable. Thank you Auto Anything.

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