if you install a header would you need to get a tune since you would be running rich and last do you get a check engine light if your running no cats?(yes im guessing)
u dont need a tune it will only help and yes u will get a ses light if u dont use the o2 spacers theres a write up on here on how to make em
2005 code red spec v with K&n typhoon intake, mmi, xs power header race package magnaflow high flow cat magnaflow catback wit 2 14" resonators axxition sts gen 2 24mm stillen front sway bar tein s-techs 03seat swap, tuned afc neo....if only u new what was comming
o ok thanks man