98 Gt Power Gains Help

Slowstang98

Active User
Nov 19, 2017
12
0
1
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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