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Discussion Starter · #1 ·
My car was mapped with a decat with mild pops.
If I fit a sports cat will I require a map check? And will the pops destroy it or just stop the pops altogether?
Does anyone know if the Rossport one is a full 3” dia to?

thanks all
Andy
 

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568 Posts
My understanding is that you should get the map checked as the restriction of the sports cat will affect it, plus the pops will likely damage the cat meaning that it will become less effective potentially to the point you fail your MOT (I've even heard of it breaking apart and getting jammed in the rear sections of the exhaust, however with mild pops you hopefully won't get that).
 
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