Quote:
Originally Posted by mike@x-ph.com
200 CEL will not add any volume to the exhaust if you are not going wide open throttle and will last just as long as the 300 CEL.
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That seems contrary to what I've read unless I'm misinterpreting your comment. Most notice an increase in exhaust volume (dB) when going from stock to Fabspeed (200 cell) cat.
(EDIT) Maybe you're referring to going from 300 to 200?