Quote Originally Posted by mcOZ View Post
Aren't JDM DC5 headers 4-2-1? But I think hes saying that for 60RS to work, youll need a JDM DC5 header+cat. So since you have that, the 60RS should bolt on to the cat no problem. Whereas the 70RR, it comes with the 2-1 pipe so for that to work youll need to bolt it onto a JDM 4-2 header (either J's Racing 4-2 or OEM (?))
^yup exactly what I was trying to say. So basically 60RS is a lot easier to fit and will give nice power and 70RR is perfect for tracking but as a daily drive I'd think it's a bit too much to handle (considering you'll have to cut up Js racing goodies)