Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be an exhaust system that's banging against other factory components. The solution to that problem is polyurethane exhaust hangers and just in
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Used them on my c7 a6 Supersprint exhaust because I was having an issue with one of the mufflers and tips going crooked constantly and the tips stuck out too far for my liking. The poly bushings had a nice offset to pull the tips in a little and are holding the muffler and tips straight!