just curious if anyone has done any upgrades, tuning, exhaust intakes, etc?
and if so any comments on your mods?
I saw this on ebay, sounds pretty quiet.....
Magnaflow 15498 Stainless Cat Back Performance Exhaust System Buick | eBay
and if so any comments on your mods?
I saw this on ebay, sounds pretty quiet.....
Magnaflow 15498 Stainless Cat Back Performance Exhaust System Buick | eBay