V6 S197 General Discussion This section is for technical discussions pertaining specifically to the V6 variation of the 2005 and newer Ford Mustang.

Flowmaster AT

Old 07-02-2007, 01:55 AM
2nd Gear Member
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Join Date: May 2005
Posts: 176
Default Flowmaster AT

So I just installed my Flowmaster American Thunder muffler, wow! When you turn the key and it fires up it has a real nice deep growl. While at idle it is barely louder than stock but right when you give it a little in 1st you hear it bark to life. I expect that as they break in they will quiet down a bit at cruising speeds, but right now they are loud and deep, awesome. As for the install.... I know a lot of people have said it is a 15-20 minute job, but maybe they have a much larger variety of tools and way smaller hands and wrists because I had a bitch of a time getting a couple of the bolts on the hangers to come off, way easier to put back on.
andrews0915 is offline  
Old 07-02-2007, 02:37 AM
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Join Date: Jun 2006
Posts: 590
Default RE: Flowmaster AT

congrats man, make a vid and put it on the exhaust sticky.
hataap is offline  
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