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      10-04-2011, 05:31 PM   #8
LarThaL
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Drives: 2011 M3
Join Date: Apr 2011
Location: West Springfield, MA

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Quote:
Originally Posted by Sean05 View Post
YES its a big difference between EVO and SLIP ON

GET the EVO... and if you dont want to spend that much... you can get the same set up with slip on and challenge xpipe with no cat and just resonator
I don't know what state you are in, but I am wondering how you all are passing emissions testing with these catless systems. Even if you can get a flash to bypass the CEL, you will still fail the cat readiness tests.

Also in Massachusetts, it is illegal to put on any modified exhaust that makes the car louder than stock, although that one is harder to prove. People have gotten ticketed for this, however. And in places like CA, they are illegal if not CARB certified.

How are you all getting around these tighter regulations?
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