flow from the stock pipes?

BLK99GT · 04-10-2000, 03:14 PM

Does anybody know how well the stock pipes flow on a 99GT? Do you think there would be a big difference in sound/performance if I went with a pair of mufflers instead of a cat-back?I'm thinking of either a pair of Borlas or Dynomax super turbos, but if its the whole cat-back the borlas are too much $$

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1999 GT AODE ,MAC cold air kit,ATS-III seq. turn signals

Hammer · 04-10-2000, 03:21 PM

While still more restrictive than an after-market exhaust, the 99-00 models are much less restrictive than 96-98 models. A cat-back system or just mufflers won't give you any performance increase, although it might sound a bit meaner..

If you're serious about performance improvements out of your exhaust, an X/H pipe is really your only serious choice.

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98 GT
Dyno-Max cat-back exhaust, 3.73 gears, Steeda shifter, Ford Motorsport Underdrive pullies, 87mm MAF and Roush cold air kit...

04-10-2000, 03:14 PM	#1
BLK99GT Registered Member Join Date: Jul 1999 Location: rocky point, NY ,USA Posts: 65	flow from the stock pipes? Does anybody know how well the stock pipes flow on a 99GT? Do you think there would be a big difference in sound/performance if I went with a pair of mufflers instead of a cat-back?I'm thinking of either a pair of Borlas or Dynomax super turbos, but if its the whole cat-back the borlas are too much $$ ------------------ 1999 GT AODE ,MAC cold air kit,ATS-III seq. turn signals

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04-10-2000, 03:21 PM	#2
Hammer AKA "Dr. Evil" Join Date: Feb 1999 Location: South Fork Ranch Posts: 1,721	While still more restrictive than an after-market exhaust, the 99-00 models are much less restrictive than 96-98 models. A cat-back system or just mufflers won't give you any performance increase, although it might sound a bit meaner.. If you're serious about performance improvements out of your exhaust, an X/H pipe is really your only serious choice. ------------------ 98 GT Dyno-Max cat-back exhaust, 3.73 gears, Steeda shifter, Ford Motorsport Underdrive pullies, 87mm MAF and Roush cold air kit...