Randy Hagins Member Joined Aug 5, 2002 Sep 6, 2019 #1 Anyone have a test pipe to fit the stock down pipe for my ‘87 GN? I think it’s 2 1/2 inch. Prefer without the side cut out. Thanks in advance!!
Anyone have a test pipe to fit the stock down pipe for my ‘87 GN? I think it’s 2 1/2 inch. Prefer without the side cut out. Thanks in advance!!
1986 Buick GX1 GX1 #001 [The One and Only] Joined Apr 24, 2015 Sep 6, 2019 #2 If all else fails www.kirbanperformance.com has a 4 bolt flange if you end up making one. I thought they use to carry 2 1/2” test pipes for the stock downpipe, but I couldn’t find it.
If all else fails www.kirbanperformance.com has a 4 bolt flange if you end up making one. I thought they use to carry 2 1/2” test pipes for the stock downpipe, but I couldn’t find it.