Another Stupid Exhaust Thread


Active Member
Oct 11, 2011
Inwood, WV
Changing up the exhaust a little and I need some help/advice. Currently I have an O/R H-pipe to Flowmaster 40's(typical obnoxiously loud Mustang exhaust). I'm looking to switch it up to an O/R X-pipe to a set of Magnaflows. But my question is, which mufflers do you guys recommend? I'd like to get the ones from the cat-back kit but I don't know a part # for them or where I could buy them from other than Magnaflow direct.
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5 Year Member
Dec 17, 2010
youtube videos work great for picking out what you want. My guess is start there


Active Member
Oct 11, 2011
Inwood, WV
Been there haha that's the best way to determine what you want, and it's the worst way to get answers on what people are running. Hence this thread lol I hate making threads about things that have been answer hundreds of times. Searching hasn't really gotten me anywhere so far.

Gearbanger 101

Straight Outta Locash
Super Mod
Aug 10, 2002
Ontario, Canada
First things first, crawl under your car and with a tape measure and measure the length, width and height of the body of the Flowmaster muffler that's currently on your car.


10 Year Member
Jan 6, 2007
West Lafayette, IN
Size and the inlet/outlet configuration, I forget what this needs to be when using a muffler such as a magnaflow but it would mirror whatever the flowmaster setup is now I would think if you intend on retaining the same tailpipes. You're best bet would be to actually measure the length of your current flowmasters to make the swap as painless as possible.
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