Louder than a Big rad? Wow. I dont know about the 2-1 version but the 2-2 version is really loud. usually the loudest bike in the bunch on weekend rides.
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2008 FXSTB
Big Rads / K&N / FuelPak / C&C Seat
HD Inverted Front End / HD Billet Drag Bars / PM 6db Caliper
2-2 Vance &\\; Hines Big Radius \\;are really loud even with the baffles in I'm scared to take em out. I have to go low RPMs every time I pass a cop. There are some places here that ticket me if I don't.