This product is bike-specific
Please click on "Select your bike" below to purchase the part that will fit.
While the RS-4 Exhaust was debuted as Yoshimura's premier exhaust for off-road racing applications, R&D couldn't stop there. They have mated this sophisticated and stylish muffler to compliment the styling of the new bike. The RS-4 is pentagonal shaped muffler that features a carbon fiber cone end cap, two staged stepped baffle and striking good looks. The RS-4 muffler features a new front cap design that functions as a polyresonant chamber. thus creating a more quiet muffler with improved mid to top end power.
Along with improving sound and power, this system moves the muffler weight lower and closer to the bike for improved handling and weight distribution. Yoshimura continues to provide the best in performance exhaust systems.
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We show real-time availability on this product page when you select the size/color item you want. Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.
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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.
Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.
See our full Return Policy for all of the pertinent details.
Have a functionality, fit, or otherwise product-specific question about the Yoshimura RS4 Slip-On Exhaust? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.