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BMW 5-Series Performance Mufflers

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Latest Customer Reviews

Flowmaster 40 Series Delta Flow Mufflers Reviews


Flowmaster

Reviewed By Linda O (Mahwah, NJ) Reviewed for a 1999 BMW 5-Series —2/7/2011 3:04 PM

This muffler is great, dont get me wrong but the representatives did not know a thing about my car, although the said they did. I sent back and order a new muffler that they recomeneded two times before i had the right one. The car sounds great and has a very deep tone to it. Not too ricey at all which is what i was looking for. It has the loudest tone to it at about 2000-2500 rpms. The muffler was extremly hard to install and remember to get it bigger or smaller than the pipe on your car so that it may slide on or in and make it easier to weld. I am decentlt happy the way it turned out. (3.5 out of 5 stars)

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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 10 Series Mufflers Reviews


love the sound

Reviewed By Brian E (LAS VEGAS, NV) Reviewed for a 2006 Ford Expedition —6/29/2015 10:51 PM

Recieved the muffler in two days. Had it installed the next day. the sound is loud and powerful, most of my friends have said it makes my Expedition sound like a Shelby Mustang. I have seen an increase in power and torque. Dont know if theres an increase in MPG because I lay my foot into it a bit more now just to hear that beautiful growl

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