jcun360
New Member
Okay i know the title says exhaust thread but its more on piping. I've read around and saw that 60mm or 2.36'' piping is best for N/A. I'm running pretty much stock, with the basic bolts ons, I/H, and will be upgrading IM, TB, and cams in the future. I'm getting custom piping done next week to an exhaust. My question is 2.25 or 2.5 piping? thats all the shop has to offer. i'm iffy on going 2.5 because i'm afraid it'll be too big, but then the 2.25 is stock on type R's and afraid thats a little too small. any inputs guys?