He said should be something similar to the R26, and prices would be around £125+VAT, Which is fairly well priced if it's made well, might be hard to fit though as when I did my exhaust the other day it looks a bit of a ******* to get to..
It is a bitch to get to.
Think unless you can install it yourself, the price for placing it is going to be almost the same or more expensive than the part itself.
Get it done, come to Leicester for a beer show me what a decat/sport cats like then ill arrange my fitting after a few pints in the pub knowing their prices