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Street Series Alpha mufflers give you the sound and performance you've come to expect from Yoshimura—without any modifications. These slip-on mufflers are optimized for maximum flow, improved ground clearance, and ease of service. They're available in a Works finish stainless steel sleeve—with a carbon fiber end cap or carbon fiber sleeve with a carbon fiber end cap. Yoshimura Street Series Alpha mufflers will make your bike look and sound like a factory race bike.
Not Yet Reviewed
$659.00
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$779.00
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Give yourself a competitive edge with the Race Series AT-2 exhaust systems from Yoshimura. These exhaust systems are designed with nothing but power in mind—and the sound of the Alpha-T 2 exhaust systems are absolutely unmistakable Yoshimura! Each Race Series exhaust system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. In addition, the Race Series AT-2 exhaust systems' "Works Finish" takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components that Yoshimura's factory racers use. One look at a Yoshimura Race Series AT-2 exhaust system—plus, its sweet exhaust note, you know it's something special! Key features and benefits: * All applications are marked with appropriate EPA noise emissions labels * Noticeable gains in max horsepower and max torque * Sheds weight compared to stock exhaust * Stainless steel construction with aggressively styled carbon fiber end cap and uses a facet-formed tip matte carbon fiber heel guard * Yoshimura "Works Finish" for lasting durability; uniform heat coloration really gives the system a titanium look when it's been through a 15-20 minute heat cycle * For closed course competition only; not intended for street use; has not been tested for EPA noise compliance
Not Yet Reviewed
$799.00
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$1,699.00
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One of the most popular Dual Sport bikes on the planet is the KTM 500 EXC-F—and now Yoshimura offers the ultimate exhaust option with their all-new Enduro Series RS-12 exhaust systems. Packed with features, the RS-12 Enduro Series offering comes with a USFS-approved spark arrester and massive gains in power. The KTM 500 EXC-F saw gains of 21.8 percent peak hp and 15 percent peak torque on the dyno. On the trail this translates to more 'raw grunt' when you need to get up that rock or over that log. On the street it provides more get-up-and-go to get to the next trailhead. Machined joints provide a more exact fit and longer durability between those muffler removal intervals and provides great tire and brake caliper clearance for an overall superior exhaust system. Key features and benefits: * Proudly designed, developed, and made in the USA! * Aggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power * RS-12's unique profile also provides more clearance for tire and brake caliper * Tapered muffler body inlet design enables the system to be pushed forward to help with weight centralization without sacrificing performance * Massive performance gains with refined power delivery * Just like the works systems Factory Racers use, the RS-12 systems utilizes precision machined joints that provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface; this translates into improved system life, fit and performance * New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters * Has a 'works-look' matte carbon fiber end cap with industry leading design, innovation, and detailing * Carbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry * This system includes a USFS approved spark arrester Important Note: Factory turn signals must be relocated as the muffler outlet is inline of the factory turn signal location.
Not Yet Reviewed
$1,149.00
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Yoshimura Race Series RS-9T exhaust systems offer a competitive edge. Designed with nothing but power in mind, the full systems add a staggering increase of horsepower and torque, along with added ground clearance and lean angle (depending on application). Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. The RS-9T mufflers allow the use of five sound insert options (sold separately) to customize power delivery and sound reduction. Note: Systems with Works finish will take on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components Yoshimura's factory racers use. The Works finish is a contemporary satin/matte with uniform heat coloration, increased fatigue strength, and increased scratch and stain resistance benefits.
Not Yet Reviewed
$799.00
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Yoshimura Street Series RS-9T mufflers deliver styling, power, and clearance. These tapered parallelogram-shape mufflers have a Compact, forward positioned design to provide a lower center of gravity for better mass centralization with a larger core for improved throttle response, and power in mid- and top-end. They also offer more volume than stock to provide a decrease in overall dB noise level. Yoshimura Street Series RS-9T mufflers feature the Work's finish and a carbon fiber end cap, plus they allow the use of five sound insert options (sold separately) to customize power delivery and sound reduction. Note: Yoshimura Works finish takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components our factory racers use. The finish is a contemporary satin/matte style with uniform heat coloration, increased fatigue strength, and increased scratch and stain resistance.
Not Yet Reviewed
$639.00
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Yoshimura Signature Series RS-4T mufflers feature a unique design that provides an unrivaled combination of power and a quiet exhaust note. Each RS-4T includes a polyresonant duplex chamber, two-stage stepped baffle, and an innovative carbon fiber turn-down end cap. Equip your street bike with a performance muffler from Yoshimura! Additional details: * Pentagonal-shaped sleeve * Stainless steel muffler sleeve for increased durability * Stainless steel tailpipe * All Signature Series components are tested, documented, and marked as required by federal and state regulations * New Yoshimura Works finish—takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those Titanium Works components that factory racers use -- Contemporary satin/matte finish -- Uniform heat coloration -- Increased fatigue strength -- Increased scratch and stain resistance NOTE: This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.
Not Yet Reviewed
$669.00
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If you're looking for that competitive edge, look no further than the Race Series Alpha-T exhaust systems by Yoshimura. These exhaust systems are designed with nothing but power in mind. The shape and sound of the Alpha-T exhaust systems are absolutely unmistakable Yoshimura! Each Race Series exhaust system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. And the Race Series Alpha-T exhaust systems "Works Finish" takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components that Yoshimura's factory racers use. One look at a Yoshimura Race Series Alpha-T exhaust system and you know it's something special! Available in semi-full and full system styles in single, dual, or quad exhaust types. Additional features and benefits: * Optimized for maximum flow and improved ground clearance * Unrivaled fit and finish due to improved production tolerances * Muffler volume and shape produces that magic tone Yoshimura is famous for! * Increased fatigue strength and increased scratch and stain resistance * Stainless steel header/stainless steel muffler/carbon fiber end cap * Alpha-T semi-full systems utilize a tapered conical sleeve that produces a higher "GP" tone than its bigger brother Alpha, and is also lighter than the original Alpha * Contemporary satin matte finish * Uniform heat coloration; popular "Works Finish" really gives the system a titanium look when it's been through a 15-20 minute heat cycle * For closed course competition only; not intended for street use; has not been tested for EPA noise compliance
Not Yet Reviewed
$1,059.00
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$1,169.00
Summit Bucks
Yoshimura Race Series RS-12 exhaust systems are designed with nothing but power in mind! You will notice many impressive performance details placed throughout the RS-12, from the matte carbon fiber end cap with decal inlays to the precise machined joints, these system takes it to the next level. Each Race Series exhaust system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. Plus, exclusive Yoshimura "Works Finish" takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components that Yoshimura's factory racers use. If you're looking for a competitive edge, look no further than Yoshimura's Race Series RS-12 exhaust systems. Additional features and benefits: * Aggressive, intelligently designed, asymmetrical shaped, the RS-12's profile allows maximized muffler volume to help manage sound, add performance, weight reduction and provides more clearance for tire and brake caliper * Wrapped perforated core * Patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters * End cap design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry * Yoshimura "Works Finish" for lasting durability; uniform heat coloration really gives the system a titanium look when it's been through a 15-20 minute heat cycle * Stainless steel mid-pipe/stainless steel muffler/carbon fiber end cap * All applications are marked with appropriate EPA noise emissions labels * For closed course competition only; not intended for street use; has not been tested for EPA noise compliance
Not Yet Reviewed
$1,089.00
Summit Bucks
Yoshimura Signature Series RS-9T mufflers were developed to achieve maximum performance and optimize rider usability. They feature a new compact forward-positioned dual muffler design that provides a lower center of gravity for better mass centralization. A larger core creates improved throttle response and power. The RS-9Ts have more volume than stock and provide a decrease in overall dB noise levels. These mufflers have been dyno- and track-tested by factories and race teams to deliver an exhaust that provides more tractable power and improved torque.
Not Yet Reviewed
$979.00
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$1,069.00
Summit Bucks
Yoshimura presents their RS-9 Series Enduro exhaust systems—an evolution of Yoshimura's early off-road efforts crafting off-road exhaust systems. The Enduro Series systems are all equipped with USFS-approved spark arrestor, forest-friendly noise levels, and are tailpipe emissions compliant. Kawasaki recently revamped the KLX-140 line up of trail bikes, and Yoshimura now offers a full system for all three wheel sizes of the mean green trail machine 140, 140L and 140G. This new RS-9 Enduro Series full system not only increases the power, and torque, it also reduces weight over the stock system. Add to that an unmistakable one-of-a-kind look, and legendary Yoshimura exhaust note and it's over! Key features and benefits: * Parallelogram-shaped muffler * Increased muffler volume over stock system, resulting in better throttle response and improved noise cancellation * Light-weight muffler construction with carbon fiber end-cap * Reduced weight over OEM system: Yoshimura Full System weight 5.6 lbs. vs Stock System weight 6.7 lbs. * Stainless steel header and tail-pipe *A laser cut heat shield and a USFS-approved spark arrester included with this system * Repack kits, optional inserts and spark arresters are available for all models Important Note: The RS-9 Series exhaust system is designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.
Not Yet Reviewed
$619.00
Summit Bucks
Yoshimura Enduro Series RS-9T exhaust systems are available for select Honda® applications. While both the CRF110F and 125F off-roading motorcycles from Honda® lack nothing in style and performance, there's always room for an upgrade! These Enduro Series RS-9T exhaust systems from Yoshimura are just the thing to make power gains! The Enduro Series RS-9T exhaust systems not only provide unrivaled power, but they are made to look like the big brother CRFs with the RS-9T muffler. Adding to the innovative performance and style, these Enduro Series systems are equipped with USFS-approved spark arrestors, forest-friendly noise levels, and are also tailpipe emissions compliant. Benefits for the CRF110F Yoshimura RS-9T system include: * Significant power gains with the RS-9T full system * Made to look like the big brother CRF's with the RS-9T muffler * Stainless steel header and tail-pipe * Repack kits, optional inserts and spark arresters are available for all models * Proudly made in the USA! Note: The RS-9T exhaust system was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.
Not Yet Reviewed
$629.00
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$659.00
Summit Bucks
Yoshimura Signature Series RS-4 mufflers deliver more power and fewer dB, with an improved sound for the rider who values quality over volume. These light off-road mufflers feature a carbon fiber cone end-cap, a 2-stage stepped perforated baffle, and noticeable good looks. And their front cap design functions as a poly-resonant chamber, making for quieter exhaust notes with improved mid- to top-end power. USFS-approved spark arrester sound inserts come installed in the mufflers. Material options of polished aluminum and stainless steel are available for the mufflers. Yoshimura Signature Series RS-4 components are tested, documented, and marked as required by federal and state regulations. Order the model recommended for your application.
Not Yet Reviewed
$789.00
Summit Bucks
Know your motorcycle! How often is it recommended that your exhaust system is repacked? For some, it's every 7,000 to 10,000 miles; others, every 10 to 15 hours of use. Yoshimura muffler repack kits are available for well over a hundred varieties of Honda, Kawasaki, Suzuki, Yamaha, KTM, Polaris, Can-Am, and BMW mufflers. Repacking with Yoshimura's advanced space-age fiberglass material allows for free airflow from your motor, which restores lost power and improves the exhaust sound.
Not Yet Reviewed
$55.95
Summit Bucks
Yoshimura offers spark arrestor kits for a variety of powersports vehicles, including ATVs, UTVs, off-road and street bikes from brands such as Honda©, CAN-AM, Suzuki, Yamaha, Arctic Cat, Gas Gas, Kawasaki, Husqvarna, and KTM. These replacement USFS-approved spark arrestors are designed for different off-road mufflers, such as RS-2 and RS-4. Most kits include a spark arrestor insert, end-cap collar, and set screw. Spark arrestors are mechanical muffler accessories that trap or destroy hot exhaust particles expelled from an internal combustion engine. Since spark arrestors have prevented many fires, laws were subsequently passed to require spark arrestors on certain types of engines.
Not Yet Reviewed
$47.95
Summit Bucks
Yoshimura Signature Series RS-12 exhaust systems deliver huge power at a very light weight! These systems offer better handling, thanks to a lower centralized mass coefficient. Systems feature a uniquely-styled muffler body with a carbon fiber cone end cap. Front cap design functions as a polyresonant chamber to lower dB output, while improving mid- to top-end power. Two-staged, stepped baffle tapered headpipe delivers optimal flow and performance. If you've been striving for a competitive edge, take things to the next level with the Yoshimura Signature Series RS-12 exhaust systems! Order the model designed for your application. Additional features and benefits: * The applications for the Signature Series line cover the entire powersports spectrum, including many of Yoshimura's offroad applications * Maximum muffler volume which helps manage sound, add power, and provide more clearance for the rear tire and brake caliper * Improved performance gains and weight reduction * Utilizes precision machined joints which provide a superior fit and improve system life and performance * Titanium systems include non-spark-arrested 99 dB motocross insert (unless noted) * Mufflers available with glossy carbon fiber, satin titanium, or brushed aluminum sleeve * Stainless systems come with 94 dB insert installed (meets AMA competition requirements), 2 meter max insert in the box * CARB/EPA tail-pipe emissions compliant; all applications are marked with appropriate EPA noise emissions labels and certified by an independent laboratory for EPA noise compliance * All Signature Series components are tested, documented, and marked, as required by federal and state regulations
Not Yet Reviewed
$1,149.00
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