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Old 05-19-2015, 02:31 PM   #4704 (permalink)
mattanthony23
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Quote:
Originally Posted by FPenvy View Post
you want to get the amazing power gains maximized then throw them stock cats away and get HFC. little extra volume and little extra power.
Unfortunately for us Californian's cats are required to pass smog tests.

Therefore our purr is somewhat restricted.
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