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Discussion Starter #1
Just curious how all of these mods would affect a 97 mustang gt automatic.

*MAC Longtube Headers
*BBK O/R X-pipe
*Borla Mufflers
*3.73 Gears
*Trans-Go Shift Kit
*75mm Throttle Body and Plenum
*BBK Cold Air Intake
*BBK Underdrive Pullies
*SCT Tuner
*Lowering Kit
*Performance transmission cooler

It's also riding on 17x9 cobra r rims if that makes any sig. difference.
 

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having an auto id put 4.10s in it.
 

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really the thing to do is the PI swap first...real hp gains...then add the rest of that stuff
 

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Add all that stuff when your doing the PI swap. I did it to my 1996 mustang GT and mine is also an automatic and they work great. I did the PI swap with MAC long tube headers, stage 1 cam from comp cam, 75 MM throttle body and plenum, BBK CAI, steeda under drive pullies, MAC O/R H pipe, SLP loudmouth cat back, 3:73 gears and a custom dyno tune and I beat an 05 Mustang GT that was a 5 speed. :bigthumbsup
 

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Add all that stuff when your doing the PI swap. I did it to my 1996 mustang GT and mine is also an automatic and they work great. I did the PI swap with MAC long tube headers, stage 1 cam from comp cam, 75 MM throttle body and plenum, BBK CAI, steeda under drive pullies, MAC O/R H pipe, SLP loudmouth cat back, 3:73 gears and a custom dyno tune and I beat an 05 Mustang GT that was a 5 speed. :bigthumbsup
Whats a PI swap? and if so how much would that be?:smoke:
 

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A PI swap(stands for Performance Improvement) is the heads and intake off a 99 or later 4.6, the parts are readily available on Ebay...usually around 300 bucks
 

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I'd skip the BBK Under Drives and go with the Steeda's since they don't "Piggy Back".
 
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