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      08-17-2011, 10:14 PM   #22
HP Autosport
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Drives: E82 1M
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Originally Posted by 997tt View Post
Whats the difference between the Slip-on and evolution exhaust, would it trigger CEL ?
The evolution is from the DP back(will replace the two secondary cats) and will not trigger CEL as the main cats are not removed.

The Slip-on is from the axle back only.

Last edited by HP Autosport; 08-18-2011 at 10:12 AM.
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