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Pontiac Firebird Flowmaster Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster 40 Series Delta Flow Mufflers Reviews


Flowmaster 40 series Delta Flow

Reviewed By John Y (Novi, MI) Reviewed for a 1968 Pontiac Firebird —8/15/2007 10:14 AM

These mufflers sound good outside of the car. They give the car a nice growl. I have a 1968 Firebird with a 400 engine. A little more resonance inside of the car than I expected. I am running 2 1/2" exhaust.

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Flowmaster 50 Series Delta Flow Mufflers Reviews


Flowmaster 50 Series Muffler Swap, 2015 Silverado

Reviewed By AJ E (LINCOLN, NE) Reviewed for a 2015 Chevy Silverado —5/8/2018 5:56 AM

The only complaint I have is its not quite as loud as I was hoping, but then again had it been too loud I would have been far more disappointed. Since I wanted it welded in, I had it professionally installed. Took 30 minutes and felt like I got a good deal at $70. Nice tone on start up, barely noticeable drone when the AFM kicks in, smoother acceleration and better mpg but not sure by how much. Autoanything was awesome once again with two day delivery.

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Flowmaster Street Performance Mufflers Reviews


Best on the market

Reviewed By Lawrence B (SALUDA, VA) Reviewed for a 2003 Toyota Tundra —3/16/2018 6:11 AM

I owned 4 of them, put them on all my trucks and cars, love the sound and performance.

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