Guest mustang Posted November 25, 2009 Share Posted November 25, 2009 I have my car in for its MOT, and with a fully de-catted 4" exhaust system its failing emissions, do any of you guys know a way around this, if you've had a similar problem? Short of borrowing a full exhaust from the manifold back () off someone I don't really know what to do, the tester still hasn't ruled out it passing as is but if anyone has any ideas I'd be gratefull. I think I posted this in the wrong section... I'll start a propper thread. Link to comment Share on other sites More sharing options...
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