I'm considering upgrading my bike with a new exhaust, and consequently an EBR ECM(designed for that exhaust), and high flow air filter. I've gained a few pounds over the winter and need to add some horsepower to compensate. There's many different exhausts out there for the 1125R. There's FMF, HMF, Barker, Drummer, and Jardine. The Drummer is a little pricier than the others, so I'm probably going to exclude that one. Are any significantly better or worse? I've read that the horsepower increase is 10 - 25% for multiple ones, so I was thinking that aesthetics might be the deciding factor? Most of these exhausts are $400 to 600. The ECM from EBR is $250. Which one's have you had good/bad experiences with? Thanks in advance for your replies.