Pacesetter 1 3/4" to Kooks 1 7/8" results on a "SI" car.
04-13-2006 | 09:33 PM
#21
Originally Posted by JakeFusion
Actually, a retune would show the difference in the header designs. Even different 1-3/4" headers of different length/diameter primaries/collector design can show 10-15rwhp differences at different RPMs when optimally tuned.
Because the graphs look identical means the tune is the restriction.
Because the graphs look identical means the tune is the restriction.
hell yeah another ls1 drive in pcola!
