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Question:

What is the difference between a cat back exhaust and a performance exhaust system?

What is the difference between a cat back exhaust and a performance exhaust system?

Answer:

The difference is that a cat back is s one piece OE replacement that replaces everything behind the cat. converter. Which is were it gets it;s name. While a performance exhaust generally replaces the entire exhaust system.
Cat back is only half a$$ing it. the front portion of the exhaust system willstill be stock. If you want to get the most out of the other mods on the engine replace everything. I run all V8's and won't use anything less than 2 1/2 inch duals all the way.

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