+2..........+1.....Never heard of them, do you have any info or a Link?
We know who KR is...do want to buy parts from a famous rider?
Or do you want to buy them from a company that is famous for making great parts ???
He wouldn't put his name on something that was crap, but there are PLENTY of better products out there.
+1 Can't go wrong with any of these.What type of riding do you do? Are you going to race your bike at the strip? or do track days? (road course)
Brock's
Yoshimura
Akrapovic
These 3 are very popular, but there are many more good systems out there...