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    GMC Sierra Performance Exhaust Systems

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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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    Corsa Performance Exhaust Reviews


    Perfect

    Reviewed By Girard H (RENO, NV) Reviewed for a 2016 GMC Sierra —5/2/2017 11:02 AM

    I researched many exhaust systems and after a lot of searching I decided to choose this Corsa sport exhaust for my GMC Sierra. Installation was easy doing it myself and once installed I couldn't be happier. It's aggressive on startup but mellows out to a deep sounding exhaust at idle. Under acceleration was a bold, aggressive tone that woke up even more power the stock exhaust was hiding in my truck and the no drone while cruising is exactly as stated. Perfect exhaust. Highly recommend.

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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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