Originally Posted by
Speyederjedi
MHarrison,
Thanks for the info. I ran a Nova 2630 on the motor this last weekend and it was better on the bottom than with the Sirio 2611 but I think I lost a bit of top end speed. It works well at our local track though because it's so short and has a tight infield. I am going to test with the Skyline plus 12 next time out.
Regards,
speyederjedi
ithink tht this pipe is the best way for your problem