Originally Posted by Lee xt

What I did was......I took the end caps off the exhausts, and then drilled about 8 holes into the ends of the exhausts, but this didn't make any differance to the sound, so I got a longer drill bit and drilled through the holes I'd already done and into the plate thats about half way down the exhausts. This makes it sound a lot better, but like I said it now cuts out after about 20 mins of riding. It was suggested that I may have damaged the cats??????

Re the ECU..........Mine is the same as the 2009 one in the 6th picture with the top line ending in number 11.