Quote:
Originally Posted by Ajdin@A2BMotorsport
Street - Resonated and Muffled - quietest
Competition - these usually have a resonator or mufflers, but not both. Louder than street and quieter than Race
Race - No mufflers or resonators loudest of the bunch
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Well there is a race series muffler.
https://www.magnaflow.com/automotive...race-mufflers/
I'm wondering if that's what they use for the competition series cat back system.