When I was in buying my JCW they had a challenge 210 in, I did consider the car but it was not well specced, anyway the sales chap started the car up and let me hear the pro exhaust in action ! Flippin heck I could have fun with that !
Anyway, I’ve been looking at retrofitting at some point in ownership, so the question I have, is the pro exhaust basically a decat system with the controlled flap on the back box? I say this as any images I have seen don’t seem to show a cat or middle silencer, does this affect emissions for MOT ?
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