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View Full Version : Flowmaster American Thunder 2 1/2 in GT cat-back



SSPSTANGBANGER
01-28-2009, 12:44 AM
Nice complete Flowmaster American Thunder cat-back 2 1/2 in for a 1987-93 Mustang Gt. Excellent condition it has heat shields, etc. on it. Nicely welded together instead of just clamping it. Over $350 new $200Cash Thanks, Rick :beer2:

SSPSTANGBANGER
01-31-2009, 08:38 AM
TTT

dastang2
02-02-2009, 08:25 AM
you think this might bolt to a 2000. what would american thunders sound like on a 4.6 with o/r h and long tubes. i got 2 chanmbers dumped now.

SSPSTANGBANGER
02-02-2009, 09:33 AM
you think this might bolt to a 2000. what would american thunders sound like on a 4.6 with o/r h and long tubes. i got 2 chanmbers dumped now.

I don't kniow if it would work you would have to at least extend the tailpipes as a Fox GT has turn-downs at the rear bumper. As far as sound these wouldn't be that loud as they are 3 chamber mufflers.

SSPSTANGBANGER
02-06-2009, 09:32 AM
TTT

SSPSTANGBANGER
02-11-2009, 11:39 PM
TTT
$180

Back in the saddle
02-11-2009, 11:50 PM
Rick ,you have any Bullitt mufflers layin around?

SSPSTANGBANGER
02-12-2009, 12:00 AM
Rick ,you have any Bullitt mufflers layin around?

Not any spares but they are like $30 ea new.
I am running Borla XR1's on my coupe

BJones
02-17-2009, 10:55 AM
so this system is completely welded together? Cat flange to tailpipe? also, you said they were 3 chamber? I thought the american thunder were 2 chamber? I'd be interested if they're 3 chambers.

SSPSTANGBANGER
02-17-2009, 11:06 AM
so this system is completely welded together? Cat flange to tailpipe? also, you said they were 3 chamber? I thought the american thunder were 2 chamber? I'd be interested if they're 3 chambers.

They look like 3 chambers they are pretty big, it is welded from the flow tubes to the tailpipes. So it will bolt right to the back of your H-pipe or X-pipe. I thought it was American Thunder but it may be the other kit they sell it is a Flowmaster Made system with Mandrel bent pipes and heat shields on the mufflers with exhaust hangers, etc.

SSPSTANGBANGER
02-19-2009, 10:30 AM
TTT