Cynabal Posted February 24, 2012 Share Posted February 24, 2012 I've got a decat on from previous owner but I'm struggling to get it to seal, tried new donut and tightened it right up but its still blowing should I invest in a new decat? as the one fitted was a bit crap the flange cup was too small so we put a bigger one that looks the right size. Thinking of an adjustable one as I have supersprint system and whoever installed it made it fit this long decay pipe so its too short for normal Honda cat and it pulls the whole system forward and the middle silencer knocks on gear linkage! I've got a srs aftermarket manifold how can I check what size flange cup I need for it?No idea how I'm going to solve the length issue when I need to put cat back on for MOT Quote Link to comment Share on other sites More sharing options...
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