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Hello lovely people! Since meeting some of you at Donnington, Kuro is no longer completely stock (yay!) - we've been slowly but surely making plans for changing things up performance wise. Looking to change to a UEL header in the new year (sound preference really as fickle as it may seem) in preparation for a tune and have already changed to a resonated catback in anticipation of this (and will be doing the overpipe and front pipe also). My question is; what have people's experiences been like with a decat header and/or high flow 2nd cat when it comes to emissions and MOT type stuff? This is our first modded car so we're pretty fresh and don't want to screw ourselves over 😂 any advice will be sincerely welcomed. Thanks a lot in advance and apologies for being dense!