Will a stainless steel exhaust fail your MOT?
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You've said it will be 3.5" or 4"......this is likely the size of the tailpipe (the bit you see), and it won't run that diameter all the way to the cat. The bore size of the pipework is likely to be 2.5", or 3". APS are about the only company that make a larger diameter pipe, but it is only really of advantage when aiming for silly power levels.
Although it will be louder than standard, it is highly unlikely to fail an mot because of this. It would have to be disgustingly loud, i.e. full decat with no baffles to upset a tester enough to fail it.
Although it will be louder than standard, it is highly unlikely to fail an mot because of this. It would have to be disgustingly loud, i.e. full decat with no baffles to upset a tester enough to fail it.
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18 June 2016 03:48 PM