Posted on 04/14/2008 by Brandon B. - 1999 Pontiac Grand Am (North Las Vegas,NV)
3 of 3 people found the following review helpful.

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"yes this muffler gave me a mean, growl,i took my resonator out as well so it is pretty loud but u cant go wrong with this brand or series of muffler, i also have a 40 series on my 79 caprice."
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Grand Am GT Flowmaster 80
Posted on 04/12/2008 by Frankie H. - 2004 Pontiac Grand Am (Brimfield,IN)
5 of 5 people found the following review helpful.

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"The Flowmaster 80 series muffler sounds great on my 2004 Grand Am Gt. It has a nice low rumble to it when the car idles and isn't that loud at cruising speeds. I did notice an increase in throttle response and horsepower. Overall, i would recommend this product to anyone who wants a nice sound and appearance to their car."
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Posted on 03/22/2008 by Cornelius P. - 1994 Chevy Camaro (Carol Stream,IL)
4 of 5 people found the following review helpful.

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"It makes my car sound like rolling thunder! I love it!"
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