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Pontiac Firebird Performance Mufflers

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Latest Customer Reviews

Flowmaster Original 40 Series Mufflers Reviews


40 Series

Reviewed By Ian M (Sedgwick, KS) Reviewed for a 1999 Pontiac Firebird —7/10/2011 3:32 AM

Love the sound of my 40 series. I put it on my 99 Trans Am. Sounds great and turns heads. Love it.

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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 Super 44 Series Mufflers Reviews


turn some heads with this one

Reviewed By ryan h (Lamesa, TX) Reviewed for a 2014 Ford F-150 —2/26/2015 2:59 PM

The sound is awesome, mellow at idle with an aggressive growling rumble on acceleration that mellows out again at cruising speed. I would leave the stock resonator in because there is a slight 1700-2000 rpm drone if you don't. The truck gets plenty of compliments on the sound and has more low end torque.

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Year Range For Pontiac Firebird Performance Mufflers

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