Product Description
Rs-9 Full System Exhaust is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
Building performance exhaust systems for the factory race efforts improves our research and development, which improves the overall performance of our products. Adapting technology we learn on the track to our consumer products is what makes the Yoshimura name synonymous with quality and performance. One look at our RS-9 and RS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.
Key Features
- Parallelogram-shape muffler
- Maximized internal volume
- Straight, single core baffle
- Low-volume sound insert capable
Product Specifications
- Part Number: 961-3901
- Brand: Yoshimura
- Weight: 10.13 lbs
- UPC: 0840025904811
Available at Knobtown Cycle
Order online or stop by our Kansas City location. Kansas City riders since 2004!
Part Locations
| Location |
Available |
| Ashley (IN) |
2 |
| Elizabethtown (PA) |
0 |
| Boise (ID) |
5 |
| Midway (GA) |
16 |
| Fresno (CA) |
0 |
| Jessup (MD) |
0 |
| Midlothian (VA) |
8 |
| National Total |
31 |
Stock levels last updated: March 1, 2026 5:07 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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