Find a part quickly Select your ride

Yoshimura RS-9 Race Slip On Dual Mufflers Stainless/ aluminum/ carbon 163902H320


  • Our price $735.00
  • MSRP Regular price $773.68
  • You save $38.68 (4%)
  • Available on

Product Overview

Overview of Yoshimura StainlessAluminum/Carbon Fiber RS9 Dual Undertail Slip On Mufflers - 163902H320

Yoshimura introduces an RS-9 Dual muffler slip-on race system for the highly sought after 2015 KTM RC390. This system increases power over the entire spectrum while also increasing torque of the 373cc single cylinder engine. The sound this system produces with the beautiful Yoshimura RS-9 Dual mufflers is what the KTM RC390 deserves. This system removes the bulky box-muffler and rear pegs. Our carbon RS-9 Dual weighs just 10.2 pounds.

•Dual under-tail mounted racing system
•Carbon fiber end-cap
•Reduced weight over OEM system
•Polished stainless steel tail-pipe
•Includes body colored cover plate for stock exhaust location

Included Items:

(1) Aluminum front pipe

(1) Aluminum right muffler assembly W/ non-removable baffles

(1) Aluminum left muffler assembly W/ non-removable baffles

(1) Black steel muffler mounting bracket

(2) Rubber grommets

(1) Exhaust clamp

(1) Exhaust blockoff bracket

(1) White aluminum blockoff plate

(1) Black aluminum heat shield

(1) Peg plate

(8) Aluminum shoulder washers

(2) 8mm-1.25 x 25mm Flanged hex head bolts

(4) 8mm-1.25 x 12mm Button head bolts

(2) 6mm-1.00 x 25mm Button head bolts

(2) 6mm-1.00 x 20mm Button head bolts

(2) 6mm-1.00 x 12mm Button head bolts

(1) 6mm-1.00 x 12mm Socket cap head bolts

(2) 5mm-.80 x 16mm Socket cap head bolts

(2) 6mm-1.00 Nylock nuts

(2) 5mm-.80 Nylock nuts

(4) Exhaust springs

(1) O2 Bung plug

(2) Low volume sound inserts

(1) Spring puller



The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Brand LionParts
SKU # 202299-Yoshimura-EH-TR
Weight 20.0 lb

You love power sports. That's why we aim to deliver with the speed you crave.

Delivery times vary according to location and product purchased. The estimated delivery time provided at the checkout is an estimate only. Actual shipping time may vary. does not take responsibility for shipping delays caused by the carrier. To ensure you're receiving exactly what you want, some orders are sourced from various shipping facilities. This may cause different parts of your order to arrive separately.

Detailed shipment dates and tracking numbers will be sent to the email address provided at the time of checkout. In the event your order can't be shipped, we will contact you within two business days explaining why your shipment has been held up.

With any questions or concerns, contact us at 1-800-983-2210.

We aim to ensure you receive the best quality product, suited to your unique needs.

If a part doesn't fit or you aren't completely satisfied with your purchase, the majority of our products are eligible for a full refund within 30 days of delivery. To be eligible for a refund, products must be unopened.

Refunds can be anticipated within four weeks of depositing your package to a return shipper. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return when we receive it (3 to 5 business days) and the time it takes your bank to process our refund requests (5 to 10 business days).

If you require a refund and return, please contact us for authorization. We will notify you via email once we have received and processed the returned item. 

For any questions or concerns, call us toll-free at 1-800-983-2210. We can also be reached by email at 

You recently viewed