98 Gt Power Gains Help

Slowstang98

Active User
Nov 19, 2017
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Hey everyone I was wondering what kind of power gains I would see from my 98 gt by adding bbk long tubes, bbk off-road mid pipe, and slp 2 catback. I was also wondering if anyone has this setup or similar to it and knows how loud it really is? Thanks.
 
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Neuron

Mustang Master
Nov 6, 2016
757
150
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PI components and gears.(Actually before/during the other mods would be best).
 

Slowstang98

Active User
Nov 19, 2017
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0
1
19
Well I mainly want good sound right now a tiny more punch with it but mainly focused on sound. Plus I wanna put comp cams and different heads later down the road so not pi