You buy a cheap exhaust, you get a cheap exhaust, simple as that. The smart exhaust is unlike any other exhaust, because it is attached to the engine and therefore moves and vibrates a lot more it has to be well made and well supported, plus it has to have a cat and a good silencer in a small space.
Many people have told me that aftermarket Exhausts are breaking away.
What is your experience?
Tags: 451, car, exhaust, smart
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