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1990 Pontiac Firebird Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


1998 pontiac firebird 3.8l v6

Reviewed By Peter B (AUBURN, WA) Reviewed for a 1998 Pontiac Firebird —3/31/2015 9:15 PM

Sounds like a stock LS1. Great exhaust system! For it to be installed the right way you need to add an extra hanger or the right side hangs too low. Awesome system! Added a significant amount of Horsepower! Throaty sound! Worth the money!

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Magnaflow Exhaust Systems Reviews


review

Reviewed By Anthony R (East Northport, NY) Reviewed for a 1987 Pontiac Firebird —3/22/2012 4:33 AM

when I ordered the cat back system for my 87 trans am I spoke with a customer service rep and I was told that everything I needed to install the system was included.Not so.It did not come with an l bracket hanger for the passenger side tailpipe,so I called magnaflow and they told me to get one and sent me an e-mail of it . Well it is not available.So i had to cut the old one off my old tailpipe and drill it.I feel this should have been an included item especially because it is not available.

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Flowmaster Super 10 Series Mufflers Reviews


Loud and proud

Reviewed By Cody M (FAIRHOPE, AL) Reviewed for a 2005 Chevy Silverado —7/25/2016 9:47 PM

Not quite as powerful as straights, but way ahead of the other flowmaster models. I have the 3" in and dual 2.5" out and the sound is awesome. I have 12" turndowns right where the bed meets the cab so that causes plenty of cabin drone. Overall great sound from outside. Going from stock to this even added enough hp that i can spin my 35x12.50s on dry pavement. Something i couldnt do before!

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