Cat-Back First or AP First...
Thread Starter
Registered User
Joined: Sep 2004
Posts: 74
From: A Suburb of Chicago, IL
Car Info: 2004 San Remo Red WRX
Cat-Back First or AP First...
Hello! I will soon be purchasing a cat-back and AP for my 04 WRX. Cobb told me to but a cat-back on during Stage 1. Should I put the cat in and then remap the ECU or remap and then install the cat? Thanks!
Thread
Thread Starter
Forum
Replies
Last Post
02wrxwag
NorCal Classifieds
2
Jan 31, 2005 08:28 AM
03WRX!!!
Engine/Power - EJ25T (STI and 2006+ WRX)
5
Dec 29, 2004 11:48 PM
Red Rexx
Engine/Power - EJ20T (pre-2006 WRX and JDM)
9
Sep 6, 2004 03:15 PM