I wanted to know what pulley size i should get with these mods... I have a 2000 Grand Prix GTP:
1)K&N FIPK 2 Cold Air Intake
2)ZZP 3 Inch Catted Downpipe
3)SLP Powerflo Catback
4)ZZP 1.0 PCM
i was hoping to make it down to a 3.4"... would this work without KR?