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Two Brothers

Two Brothers S1R Slip-On Exhaust Yamaha R3 2015-2022

Item: P303214
77 Read 77 Reviews 47 Q&As Write a Review

The S1R Exhaust combines more than a decade of racing experience and craftsmanship and represents the next generation of TBR Exhaust. Read More

$659.98
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Product Details

Two Brothers S1R Slip-On Exhaust Yamaha R3

The Two Brothers S1R Slip-On Exhaust represents a step into the future for TBR. The S1R exhaust features a carbon fiber sleeve highlighted by a natural aluminum outlet and stamped, spring-mounted inlet for the ultimate durability. Like most TBR mufflers, the end cap of the S1R exhaust is constructed of magnesium and features a non-stick teflon coating. However, that is where the similarities end.

The aggressive design of the end cap is reminiscent of the modern jet engine making this exhaust move at mach 1 speeds while standing still. The carbon fiber sleeve of the S1R exhaust system is made of a 33 million modulus rated carbon fiber that is impregnated with high temperature resin, under very tight tolerances. Thirty-three million modulus rated carbon fiber can be considered the Goldilocks of carbon fiber, it has strong structural properties without being overly stiff and brittle, making it just right.

The sound produced by the S1R is deep and throaty thanks to its spiral-wound perforated core technology. The rubber-lined, natural finished aluminum muffler clamps feature an aggressive angular design and cutouts to reduce weight. The mid-pipe is constructed from .035” thick 304 stainless steel. After a few heat cycles the 304 steel turns a golden amber color, the hallmark of quality stainless. Of course an exhaust can't be all show and no go, that is why the S1R exhaust is track-tested and dyno-tuned to offer the best performance package.

Features:

  • Fully-serviceable in the event of damage, routine maintenance or the occasional repack
  • Aerospace high-temp carbon fiber
  • Stamped spring-fit inlet
  • Optional P1 and PX1 sound inserts available (sold separately)
  • Optional anodized bolts kits available (sold separately)
  • Made in USA
Unit Stock Exhaust Two Brothers Max Gain
Max Power HP 37.59 38.36 + 0.77
Max Torque ft-lb 20.01 20.38 + 0.37
Weight lb 6 3.25 + 2.75
Made in the USA
Product Style RevZilla Item # MFR. Product # Availability
Product Style Carbon Fiber / Slip-On RevZilla Item #1035543 MFR. Product #005-4160405-S1 AvailabilityIn Stock: Ships next business day
This product is vehicle specific.
Select a vehicle to ensure fitment.
This Product Fits
Yamaha
R3 2015-2022
R3 Monster Energy Edition 2020, 2021
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Two Brothers S1R Slip-On Exhaust Yamaha R3 2015-2022 Resources

Product Description
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77 Customer Reviews
77 4.5/5
47 Questions & 34 Answers
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