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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 TBR’s 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 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, the hallmark of quality stainless. The exhaust note can be described as a deep thunderous roar thanks to TBR’s spiral-wound perforated core technology.
The headers and midpipes of the S1R Black Series Exhaust feature race proven-and dyno tuned stepped exhaust pipes made of #304 chromium-nickel stainless steel. This particular steel is not only strong and lightweight but also turns a golden amber color after a few heat cycles giving it a distinctive character. The stepped design creates a vacuum effect that forces hot exhaust gases out at a higher rate compared to a single diameter pipe. Power improvements can be felt in both the mid and high rev-ranges while the dropped weight will improve both acceleration and cornering speed.
Note: Images for reference only. Actual S1R Black Series muffler will vary slightly depending on your bike's make and model.
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|Aluminum||1198041||005-4630106-S1B||Only 2 Left: Ships next business day|
|Carbon Fiber||1198042||005-4630107-S1B||Out of Stock|
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