X Pipe
Racer
Joined: May 2011
Posts: 456
Likes: 2
From: Sandy Eggo CA
Advantage(s) could have been price, better flow @ higher RPMs, more exotic sounding exhaust etc; kinda hard to tell, I don't work for GM.
I personally prefer x pipes over H pipes but that's my opipion. They help equalize exhaust pressures from one bank to the other. 09's also got a slightly different bend in the tubing near the axles but nothing that would affect performance.
I personally prefer x pipes over H pipes but that's my opipion. They help equalize exhaust pressures from one bank to the other. 09's also got a slightly different bend in the tubing near the axles but nothing that would affect performance.
Last edited by 2009CSR #45; Sep 1, 2011 at 12:00 AM.
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