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Introducing the RS-12 for 2021 Honda CRF300L and Rally dual-sport motorcycles.
Elevate your adventure-ready Honda CRF300L or Rally with Yoshimura RS-12 Race Series Exhaust System the ultimate upgrade for riders who demand more power, less weight, and distinctive sound.
Yoshimura stepped up to the plate and developed the RS-4 slip-on and full system for the all-new Honda CRF300L and Rally edition, and the results were fantastic! Born from relentless engineering in Chino, California, and tested by CRF expert Ari Henning, this RS-12 Race Series beast transforms your dual-sport machine into a precision-tuned powerhouse. Hit the trails, with confidence the RS-12 delivers on every front.
Yoshimura didn't just build an exhaust;, they crafted a revolution. Starting with the CRF300L/Rally's capable 286cc single, the RS-12 unlocks hidden potential with a Yoshimura exhaust note that pleases the ear with weight reduction and dyno-proven results that everyone can enjoy.
Full System Power Surge: Bolt on the complete RS-12 for up to 6.8% more horsepower at 8,520 RPM and 4.3% additional torque at 6,600 RPM all while running a spark arrestor for compliant, trail-legal riding. Feel the surge in every throttle twist, from low-end grunt to high-rev sing!
Slip-On Simplicity with Serious Punch: Not ready for a full swap? The RS-12 slip-on with spark arrestor still crushes it with up to 7.0% HP gains at 5,000 RPM and 7.5% torque boost at the same peak perfect for quick installs and immediate gratification.
Power is pointless without practicality. The RS-12 sheds pounds to keep you agile:
Full System: A featherweight 9 lbs (vs. stock 12.3 lbs) that's over 3 lbs saved for sharper handling and effortless flicks.
Slip-On: Slims down to 7.3 lbs (vs. stock muffler at 10 lbs), blending big-bore attitude with everyday usability.
Advanced muffler design tames roar to a refined growl, ensuring you stay under the radar (and within regs) while turning heads. Plus, every RS-12 includes a custom matte carbon fibre heat shield sleek protection that looks as good as it performs, included with every full system or slip-on.
Weights:
Stock muffler: 10.0 lbs.
RS-12 slip-on: 7.3 lbs.
Sound levels:
(Using J2825 standards with SA-20-K Spark Arrestor installed)
2000 rpm
Stock: 77.3dB
RS-12 slip-on: 84.7dB
5000 rpm
Stock: 83.7dB
RS-12 slip-on: 89.1dB
Supplied with SA-20-K removeable baffle/spark arrestor for noise reduction.
This exhaust is designed and intended for closed course competition use only, and is labelled as such, it is neither designed or intended for use on public roads or land.
Race Series Exhaust System If you're looking for that competitive edge, look no further than Yoshimura's RACE . These exhaust systems are designed with nothing but power in mind. Each RACE system is developed in accordance with noise compliance regulations imposed by most race sanctioning bodies worldwide.
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