I need some help deciding whether to have a de-cat. What sort of difference will there be between just a back box with no de-cat compared with back box and de cat. Is it worth doing?
Good sound for Back box and no decat?
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#1
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#2its the back box that determines the note of the exhaust, decat will make it more 'raspy' (well did mine), freed up some revs slightly probably just in my head though..
Worth doing? Depends what you want, how friendly your mot tester is, or if you cba to swap back come mot time.
On a 1.1 i probs wouldnt bother, mines was decatted for the pop pop BANG effect