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Oldsmobile F-85 Performance Mufflers

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Latest Customer Reviews

Flowmaster 50 Series Big Block Mufflers Reviews


2017 Silverado 6.2L Muffler Swap

Reviewed By RICKY H (SUMNER, WA) Reviewed for a 2017 Chevy Silverado —5/2/2017 6:35 AM

So happy with the new sound and so is the wife. You most def can hear it - but never is it obnoxious - not even at WOT. Just a nice mellow tone from idle to 75mph and no drone - no chopper sound - Deleted flapper. No difference in V4 around town or on the highway.... One big plus - now I can hear it shift - which helps feel it shift - before I hardly knew when it shifted. . Towed up a long grade - no drone - just a nice throaty sound even working it.... Cold & warm starts sound great!

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Pypes M-80 Race Pro Mufflers Reviews


Pypes M-80

Reviewed By Mark P (Danielson, CT) Reviewed for a 2000 Ford Mustang —4/16/2017 12:17 PM

These are awesome love the sound you won't be disappointed

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Flowmaster 70 Series Big Block II Mufflers Reviews


Flowmaster 70 series big block

Reviewed By Chad H (Lake Charles, LA) Reviewed for a 2013 GMC Sierra —3/29/2017 4:55 AM

Overall, I am happy with the muffler. As my daily driver and primary family vehicle used for traveling, I didn't want anything too loud. This muffler is a little louder than what I expected, comparing to a 50 series installed on same truck. I removed the 50 series last year and had to go back with the factory muffler due to a drone when pulling my trailer or boat. Using Flowmaster's sound chart, I thought the 70 series would be only choice as it looked to be the quietest muffler Flowmaster makes

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