[davecymru]

The exhaust on my old Sammio Spyder was far too loud for normal road use and so i fitted one of these:

http://www.carbuildersolutions.com/u...ilencer-baffle

It certainly dropped the noise a bit and it was just bolt in!

I know that others have also wrapped theirs in wadding as well depending on the track:
http://www.carbuildersolutions.com/uk/silencer-wadding