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Pontiac Bonneville Magnaflow Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow Performance Mufflers Reviews


Not Quite What I Expected but Still Like It.

Reviewed By Dan S (Coldwater, OH) Reviewed for a 2009 Dodge Ram —8/12/2016 1:52 PM

Had the #12588 installed with the Y-pipe upgrade on my 2009 Dodge Ram. This is my first Magnaflow muffler, and after watching numerous youtube videos I went with the 22" in fear of the drone. I was expecting to hear more of a difference when accelerating over stock, but I'm still early in the break in process. I've noticed a slight drone around 1500 rpms, it's not bad and could go away over time.

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Magnaflow XL Turbo Mufflers Reviews


great sound

Reviewed By Bruce H (WARREN, OH) Reviewed for a 1932 Ford Truck (1917-1947) —8/9/2016 3:30 PM

They let you know your running at idle. They let you known when you step on it. But they let you listen to stereo when cruisining.

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Magnaflow Tru-X Pipes Reviews


More HP

Reviewed By Jerryll G (BOLINGBROOK, IL) Reviewed for a 2014 Jeep Grand Cherokee —4/29/2016 8:41 PM

Add more Horse power to my SRT and better fuel mileage. Plus with the resonator delete it sounds great .

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