Originally Posted by DaRollaRacer
Hey Robert,
Have you tried the STI with the Skyline pipe? I tried the 2630 again but the power delivery felt quite flat (even after a retune). I'm going to try dropping a tooth on the second gear pinion to see if it wakes up with the 2630.
Dave
I run the 2630 with Short header on my STI with tall gearing and the bottom end grunt is awesome. Better than the 2611 IMO. On my MTX-4 i run 18/24 and 60/53, and it still light up out of the corners. The power deliver is far from flat on my car

. Maybe even too abrupt.