Exhaust down pipe??
Newbie
Joined: Apr 2004
Posts: 19
Likes: 0
From: Socal
Honestly there's already alot of information about this on the boards, so I'd recommend doing a search first. As far as good exhaust downpipe combinations, HKS parts I believe all have 2.5" piping, which would mate right up the stock cat... this is an Evo we're talking about, right?