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GMC S15 Pickup Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 50 Series SUV Mufflers Reviews

just right

Reviewed By Tim R (RADNOR, OH) Reviewed for a 2015 GMC Sierra —6/30/2015 5:52 AM

the 50 muffler is the right one for me and my sierra. it is just loud enough to let you know there is power under the hood, but it will not vibrate inside. unless you punch it, you would not notice it much. you can tell in normal driving it has more torque and horsepower.

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Flowmaster Super 44 Series Mufflers Reviews

Super 44

Reviewed By Nathaniel A (Elizabeth City, NC) Reviewed for a 2000 Ford F-250 —9/18/2015 2:37 AM

I went from a factory exhaust on my F250 superduty v8 to this Flowmaster Super 44. Switched out the exhaust only kept the same single tail pipe and it sounds great. The sound is exactly what I was looking for with the low rumble.

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Flowmaster Original 40 Series Mufflers Reviews

Really good

Reviewed By Jordan A (NARRAGANSETT, RI) Reviewed for a 2008 Subaru Impreza —9/17/2015 9:16 PM

I ordered these to put on my 08 Subaru Impreza and it gave it an amazing sound. I needed new piping to adjust to the size of the inlet and after it was done the sound came put great!

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