Originally Posted by B-Rod
I see you have put your Q4 on the Rally bike. Any problems getting it to fit? Assuming it was the one off your 525. Mine won't go, as the brackets on the silencer are widely offset. I have an old KTM branded FMF shell, and it has the brackets closer in line. I am considering using it, but it looks terrible, since the packing was smoked and the anodizing looks like crap. My 530 came with an HMF (stock can came with the bike, but the previous previous owner cut the guts out), which even with the smallest insert, is tooooo loud. Grrrr.
It fit fine, but required a spacer on the rear bracket, that I also had on the 525.
Are you just missing the spacer? The Q4 sounds so much better (and quieter) than stock.