YOSHIMURA RS-9D DUAL EXHAUST SYSTEMS AND SLIP-ON MUFFLERS EXHAUST RS9 TI/CF CRF250R

MFPN:228421H220

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Every Yoshimura exhaust product is made by hand to the highest quality standards

Championship-winning racetrack experience and Yoshimura's extensive R&D facility ensure these pipes perform

This dedication to research and development is only matched by Yoshimura's dedication to uncompromising quality standards

True performance art for your motorcycle

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels

Do not require changing the motorcycle's emissions control systems

CARB and EPA emissions "Replacement Parts"

Certified by independent laboratory for EPA noise levels

Deliver performance in a slip-on/bolt-on muffler package

Do not require changing the motorcycle's emissions control systems

Marked with appropriate EPA noise emissions labels

CARB and EPA emissions "Replacement Parts"

Not tested for EPA noise levels

Designed for closed-course competition use only; not for street use

Meet noise level regulations of most worldwide race sanctioning organizations

Marked with appropriate EPA noise emissions labels

Not tested for EPA noise levels

An evolution of Yoshimura’s off-road exhaust system

Equipped with USFS-approved spark arrestors, forest-friendly noise levels and are tailpipeemissions compliant

Marked with appropriate EPA noise emissions labels

Not tested for EPA noise levels

Dual-muffler design exhaust system

Achieves maximum performance, mass centralization, and rider useability

Systems feature three-stage tapered headpipe for the best power gains, better throttle response and power delivery

Vertical divider splits the exhaust gases more evenly for smoother flow to the mufflers for better mid-top power and throttle response

Parallelogram-shaped muffler bodies increase muffler volume over the stock system for even crisper throttle response and reduced noise levels

Systems and slip-on mufflers meet AMA noise sound regulations right out of the box (AMA 2-Meter Max and Amateur 94 dB sound compliant)

Muffler inserts are tunable to adjust power delivery and noise levels

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