Post by
S13ninja »
https://forums.nicoclub.com/s13ninja-u797.html
Mon Sep 09, 2002 8:23 am
Yo, i have a 3 inch down pipe, 3 inch cat replacement, and 3 inch cat back all the way out to my 3 inch inlet apex'i n1. Go three the whole way...its better for long run when you decide to upgrade. i live in kali...and i know a place that does emissions, if you dont know one, sux, have a replacement exhaust system. haha