Fair enough i Didn't want to post towards another forum ona public thread. Viking forum .orgthere is a hushpower thread and you tube video that shows the difference on and off. Mods, if this is no good you know what to do.
Reading reviews online it seems there are mixed opinions as to their effectiveness regardless of brand. So I bought a Kolpin kit from www.royaldistributing.com , good price and free shipping from Ontario. I'll post the results when it gets here.
The Silent Rider, awesome product and makes a huge difference in noise levels. Use it on a Honda TRX 420 and have drove up to 30 feet of deer. Have also tried it on my Can Am Commander 800 and it works awesome.