View Full Version : GSI exhaust
mikec123
29-12-07, 04:53 PM
Can anyone tell me the bore size of a standard gsi exhaust?:)
mikec123
29-12-07, 04:59 PM
I need to change my backbox but my system is 2" bore! Do you know where i can get a 2" bore backbox of the shelf?
I need to change my backbox but my system is 2" bore! Do you know where i can get a 2" bore backbox of the shelf?
Ashely competition Exhausts :thumb:
mikec123
29-12-07, 05:07 PM
I'm on there website it says fits standard gsi exhaust but doesn't give a size! The 2" is the outside size!
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