Includes the Enduro Series RS-2 muffler and stainless steel header. This potent and versatile design is engineered to provide increased power and power delivery. The RS-2 has a pyramidal shape that features increased volume, and is a quieter system with a larger core — and it offers the added bonus of outstanding performance in a value-priced package.
Model
The race-bred RS-2 exhaust has proven to be extremely popular among rider looks for a combination of performance and value. It enhances performance dramatically, provides an enviable exhaust note and offers the unmistakable look and sound of Yoshimura. RS-2 mufflers feature a straight baffle that leads to a single turn-down machined aluminum end cap.
All models have a USFS Approved spark arrester in a oval-shaped sleeve with a large volume of packing material.
- Yoshimura's full system max HP is up 7.3% as well as max torque being up 3.1%
- With a custom end cap featuring a titanium tip, a special inner core baffle, and an integrated heat shield, this little guy delivers style, performance, tone and fun!
- Includes an 18mm O2 sensor
- Yoshimura RS-3 Stainless Full System weight: 5.5 Lbs. vs Stock Full system weight: 11.2 Lbs.
The RS-4 Race Series slip-on gives the CRF250L more power and torque, the RS-4 provides more punch at bottom end without sacrificing the mid and top power. The slip-on also removes a good amount of weight from the stock unit. Those that love the Yoshimura RS-4 sound will love the way it makes the CRF250L Rally sing!
Proudly made in the USA!
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Turn-out carbon fiber end-cap
- Stainless steel header and tail-pipe
- RS-4 stainless full system weight 9.3lbs vs Stock full system weight 13.2lbs.
- Dual-muffler design exhaust system
- Achieves maximum performance, mass centralization, and rider usability
- 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 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 level
The RS-4 Twin Pipe kit was previously only available as a custom system for Kevin Schwantz.
Yoshimura is offering these incredible "Twice Pipes" which are completely fabricated by hand and TIG welded to perfection. They certainly sit at the high end of what is available for the mighty SM... The pipes have a stainless steel header and "Y" pipe mated to twin carbon fiber or aluminum RS-4 mufflers for incredible looks and performance. The kit also comes with a custom Yoshimura side stand.
- Pentagonal-shaped sleeve
- Front muffler cap functions as a poly resonant chamber which helps reduce noise
- Two-stage stepped baffle
- Carbon fiber end-cap
Stainless steel can and carbon fiber end cap.
- Trapezoid-shape muffler
- Maximized internal volume
- Straight, single core baffle
- Low-volume sound insert capable
All Street Series systems are Slip-on / Bolt-on applications that do not require tampering with the vehicle's emissions control system.
The RS-2 removes 2 pounds from the stock unit and it also provided the XR an increase of +5% max HP and 1.7% max torque. Now the XR has gains across the entire power spectrum and is ready to tackle trails and highways alike.
This RS-2 Enduro Series Slip-on includes an installed USFS spark arrestor SA-02-K.
Yoshimura's RS-2 is proudly designed, developed and manufactured in Chino, California.
The RS-2 is a potent and versatile design that evolved from the original TRC, engineered to provide increased power and power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.
- Diamond-shaped Stainless steel sleeve for increased durability.
- Large core and increased muffler packing volume means quieter operation
- Stainless steel cone end-cap
- Stainless steel tail-pipe
- Weight: .39 lbs lighter than stock configuration
- USFS Approved spark arrester included
The RS-2 is a potent and versatile design that evolved from their original TRC, engineered to provide increased power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core — and it offers the added bonus of outstanding performance in a value-priced package.
- Diamond-shaped sleeve
- Large core and increased muffler packing volume means quieter operation
- Stainless steel cone end-cap
- Stainless steel tail-pipe
- USFS Approved spark arrester included
- 6.8 lbs lighter than stock
We recommend Anti-Seize on exhaust fasteners
Since Kawasaki brought back the popular little KLX250 with updated fuel injection, Yoshimura brought back an updated RS-2 slip-on that now incorporates an o2 sensor that accommodates the new fuel injection technology on the KLX. All of that with added power, torque and that distinct Yoshimura exhaust note.
Entire unit is proudly made in the good old US of A to boot!
- Diamond-shaped sleeve
- Large core and increased muffler packing volume means quieter operation
- Stainless steel cone end-cap
- Stainless steel tail-pipe
- 2.8 lbs. lighter over stock unit.
- Comes with USFS Approved Spark Arrestor
The product that you are purchasing is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura "RACE SERIES." Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.
- Oval muffler body with single turn-down polished aluminum end cap
- Maximized internal muffler volume for exhaust flow
- Straight, single-core baffle
- Can accept low-volume sound insert
- Large volume of packing material
- Straight baffle for ample flow
- Bolt-on design for easy installation
Yoshimura RS-3 that will slip right on to your stock header. Made by hand to the highest quality standards using the championship-winning racetrack experience and their extensive R&D facility ensure these pipes perform and will last.
Both full systems and slip-on mufflers include 96 dB sound insert/USFS approved spark arrestor installed in the muffler. Mid-pipe is stainless steel while the stainless RS-3 oval muffler design has a slim profile with an aluminum end cap.
Works on OEM header only!
The RS-4 Race Series slip-on gives the CRF250L more power and torque, the RS-4 provides more punch at bottom end without sacrificing the mid and top power. The slip-on also removes a good amount of weight from the stock unit. Those that love the Yoshimura RS-4 sound will love the way it makes the CRF250L Rally sing!
Proudly made in the USA!
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Turn-out carbon fiber end-cap
- Stainless steel tail-pipe
- RS-4 stainless slip-on weight 7.8lbs vs Stock muffler weight 10.3lbs.
The Yoshimura RS-4 is a proven choice to improve the performance and sound of the Africa Twin.
Removing the stock muffler saves over 4 pounds and makes the 988cc parallel twin engine growl!
- Oval-ellipse shaped sleeve
- Yoshimura's Works Finish for increased durability & adventure friendly design
- Features an integrated inlet heat shield design for a seamless transition with the stock heat shield
- Updated version with weldnut inside of insert makes installation/removal easier
- Replacement USFS Approved Spark Arrester for RS-4 Mufflers with "Turn-out" end-cap.
- Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester
- Kit Includes:
- Spark Arrester Insert
- End-cap collar
- Set screw
Yoshimura has always been synonymous with quality craftsmanship, precision fitment, and impeccable quality. The Fender Eliminator Kits are no exception, and they are sure to give your motorcycle the sleek race look that every rider craves
Features:
- Precision laser-cut stainless steel bracket tucks discreetly under the tail section of the motorcycle
- Black anodized CNC machined light housing with laser-etched Yoshimura logo
- Light housing contains four bright LED lights
- Black anodized aluminum license plate frame with silk screened Yoshimura logo
- Stainless steel hardware included
- Compatible with aftermarket turn signals when combined with Universal turn signal bracket kit (sold separate)
Yoshimura has always been synonymous with quality craftsmanship, precision fitment, and impeccable quality. The Fender Eliminator Kits are no exception, and they are sure to give your motorcycle the sleek race look that every rider craves
Features:
- Precision laser-cut stainless steel bracket tucks discreetly under the tail section of the motorcycle
- Black anodized CNC machined light housing with laser-etched Yoshimura logo
- Light housing contains four bright LED lights
- Black anodized aluminum license plate frame with silk screened Yoshimura logo
- Stainless steel hardware included
- Compatible with aftermarket turn signals when combined with YOSHIMURA TURN SIGNAL BRACKET (turn signals not included)