When I took my 2011 1090RR in for its first service, I decided to let Fast by Ferracci install the Tamburini exhaust. I think that the db killer is gonna stay in most of the time, with it out, my head starts to ring. The sound is music though! I can also attest that the throttle response seems smoother, 2nd gear in particular was sort of on/off. I'm not certain if it was the exhaust, or Mr. Ferracci's tuning expertise on the dyno. Probably a combo of the two. I kind of laughed after Eraldo got off my bike after the test ride. With his heavy Italian accent, he said , "that bike is bad, bad news. Whoa boy."
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