Originally Posted by Gooey
I beleive that any aftermarket exhaust is in fact illegal if it increases the noise of the car from standard
The MOT test states "excessively noisy" How ambiguous is that
http://www.motester.co.uk/cog.html (scroll down to Exhaust System)
On your other point it says
[2) Every exhaust system and silencer shall be maintained in good and efficient working order and shall not after the date of manufacture be altered so as to increase the noise made by the escape of exhaust gases.
im sure youve run a car without an exhaust at all. I would argue that the noise made by the "escape of exhaust gases" is still far far higher than any aftermarket system