9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
I have a full turbo back exhaust with a OBX Downpipe and a custom dual exhaust from the back. When I place my car into reverse the exhaust rattles like crazy by the downpipe. Is there any thing I can do to fix this? Should I get a larger flex pipe, new motor mounts, or go to an exhaust shop to...