Hey guys-

What do you guys think i'll see in hp gains if i got the Slp loudmouth cat-back exaust+Steeda pullies+Accufab Tb/Plenum combo. Would this deffinately wake up my stock 99 gt auto. Please dont forget to tell me what gains to expect.

Thanks in advance

 

Stickeys are your friend. Someone here posted the TB/plenum comparisons in the Tech 4.6 Stickey. Check it out.