GT Performance Mods 2005+ Mustang GT Performance and Technical Information

flowmaster AT w/high flow cats?

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Old 3/15/08, 06:43 PM
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flowmaster AT w/high flow cats?

anyone running flowmaster AT's with some type of high flow cats? X or H pipe? I am curious how this sounds compared to a or/h.
Old 3/15/08, 11:33 PM
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Originally Posted by Etnix
anyone running flowmaster AT's with some type of high flow cats? X or H pipe? I am curious how this sounds compared to a or/h.
never heard one with hi flos probably really close to stock H.....i say go with the off road H you wont be dissapointed
Old 3/15/08, 11:49 PM
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I have a couple of issues with the OR/H, one is I assume you smell gas, often. Second is here in Missouri I would have to swap it out every 2 years for inspection, kind of a pita if you ask me.
Old 3/15/08, 11:59 PM
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issue with smelling gas..... big deal its ok how did everyone with the old mustangs that did it......
and 2 we have same thing and i think in 2 years you'll have enough time to switch it out......
but hey thats just my opinion.... maybe i was too harsh man...... im just sayin if you were to spend alot of money for hi flow cats and putting it on and all that just cut the middle man out and take them off just seems easier
Old 3/16/08, 01:11 PM
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With no cats they are very loud, lol. I put the stock mufflers back on with an O/R-H and I think its perfect. After welding 4" tips on the stock mufflers of course.

http://www.youtube.com/watch?v=RkrvY_OZhLA

Old 3/16/08, 01:20 PM
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Originally Posted by Stoenr
With no cats they are very loud, lol. I put the stock mufflers back on with an O/R-H and I think its perfect. After welding 4" tips on the stock mufflers of course.

http://www.youtube.com/watch?v=RkrvY_OZhLA

Dam! That doesn't sound bad at all
Old 3/16/08, 02:04 PM
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i would say get a pipe with high flow cats and the right tune, then dont worry about inspections and be done with it..

but thats just what i did...
Old 3/17/08, 12:12 AM
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I have the Flows with a Bassani X w/hi-flows and I love the sound. I get lots of compliments on it. Not overly loud but def louder than stock.
Old 3/17/08, 11:59 AM
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Originally Posted by SpeedRacer
I have the Flows with a Bassani X w/hi-flows and I love the sound. I get lots of compliments on it. Not overly loud but def louder than stock.
I would be interested in hearing a clip if you have one?
Old 3/17/08, 02:58 PM
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yea me too....
Old 3/17/08, 04:58 PM
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Sorry, no clip yet. There is a youtube clip with the same set up though. Just do a search for it and you should find it.
Old 3/17/08, 05:06 PM
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Here you go. Wasn't sure how to do the link thing, so you will have to cut and paste.
http://www.youtube.com/watch?v=V5TsVccT-sM

I guess the link worked after all
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