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Cyclegear
We are the nation's largest retailer of motorcycle apparel, parts and accessories, serving Off-Road, Adventure, Sport, Cruiser, Touring and Scooter riders
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Two Brothers S1R Black Series Exhaust System Yamaha FJ-09 The Two Brothers S1R Black Series Exhaust System is a state-of-the-art product from Two Brothers Racing. It features carbon fiber highlighted by a natural finished aluminum outlet and stamped spring-mounted inlet for ultimate durability. All of TBRs carbon fiber parts are made with a high temp aerospace grade epoxy resin. The carbon fabric is made with a 33 million modulus carbon tow then impregnated with the high temperature resin under very tight tolerances. The mid-pipe of the S1R Black Series is constructed from .035 thick #304 chromium-nickel stainless steel. After a few heat cycles the 304 steel turns a golden amber color
