I installed the American Thunder series last May and I absolutely love the sound. Nice and low with no raspiness. I do think that it could be just a tad louder for everyday driving, but WOT it roars! There is some drone, not to bad, around 1800RPM.. But the gurgle when letting off the pedal is awesome.
I was thinking of adding a different H-Pipe or Pro-Chamber with Hi-Flow cats. I realize that a lot of you are running the Off Road pipes, but from what I understand to little back pressure can equate to a loss of TQ? Anyway, I have not seen any Hi-Flow cats that are simple bolt-ons for this car that would cost less than a new mid-pipe with Hi-Flows. Anyone see anything out there?
I think with a little less restriction from the cats would really put the sound where I want it to be.
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ORIGINAL: BMJ06GT
Has anyone ever heard anything about the new American Thunder Series System #17410 (Axle Back) Mufflers by Flowmaster for the 05-06 GT. If so, are they any good? Any info anyone could provide on this would be greatly appreciated thank you.
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