Did you do the racer kit from jdm?lurch said:Several tuner's in the area and JDM like the Wipple because it brings the power on through the entire power band better and we could loose a little bottom end and make it up on the mid and top end. Pullie's JDM 4 LB 3.25 top will let you know on power we had 430 RWHP 530 torgue with eaton and tune