Which size?
Thread Starter
Junior Member
Joined: May 2003
Posts: 28
Likes: 0
From: Brisbane, Australia
Car: 1989 IROC-Z
Engine: 350 TPI
Which size?
Hi, I was just wondering which size flowmaster 40 muffler I have to get for my 89 IROC, I dont have any exhaust mods just need to replace the old bummy muffler thats currently there. Thanks.
TGO Supporter
Joined: Nov 2001
Posts: 11,634
Likes: 3
From: Maryland; USA
i am pretty sure 3" inlet/ 2 1/2" dual outlets
http://www.thirdgenresource.com/inc/pdetail?v=1&pid=675
http://www.thirdgenresource.com/inc/pdetail?v=1&pid=675
Last edited by MdFormula350; Oct 4, 2003 at 01:38 PM.
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