YAMAHA 2199997 Pro Circuit Sound Shorty Muffler R-304

( Manufacturer Part Number: 2199997 ), ( Type: Muffler )

Review YAMAHA Pro Circuit Factory Sound Stainless Shorty Muffler fits YZ250 1995

The **Yamaha 2199997 1995 YZ250 Pro Circuit Sound R-304 Shorty Muffler** is a meticulously crafted aftermarket exhaust component designed to elevate the performance, aesthetics, and sound profile of the legendary Yamaha YZ250 Pro from the mid-'90s. This high-quality shorty muffler is engineered to deliver a striking blend of aggressive tone and improved efficiency, making it a sought-after upgrade for both enthusiasts and competitive riders looking to refine their bike s character. The **R-304** model from Circuit Sound is renowned for its precision machining and premium materials, ensuring durability while maintaining a lightweight profile that doesn t compromise handling. Featuring a **stainless steel construction**, this muffler resists corrosion and heat buildup, providing long-term reliability even under demanding conditions. Its **sleek, compact design** hence the "shorty" designation allows it to fit seamlessly beneath the YZ250 Pro s stock exhaust system, offering a subtle yet noticeable improvement in both sound and performance. The muffler s **optimized internal baffling** enhances exhaust flow, reducing backpressure to boost horsepower and torque, particularly noticeable in the mid-to-high RPM range. Sonically, the R-304 produces a **deep, resonant growl** with a pronounced mid-range punch, striking a balance between aggression and clarity that appeals to riders who appreciate a modern yet nostalgic tone. Whether cruising on the track or carving through the trails, this muffler transforms the YZ250 Pro into a more dynamic and engaging machine. Built to exacting standards, the **Circuit Sound R-304** is more than just an accessory it s a performance-enhancing statement piece that pays homage to the spirit of the YZ250 Pro while pushing it forward with cutting-edge engineering.

### **Pros and Cons of buying a Yamaha YZ250 Pro Circuit Sound R-304 Shorty Muffler (1995 Model)**

1. **Performance Enhancement** The R-304 shorty muffler is designed to improve exhaust flow while maintaining a sporty, aggressive sound. It reduces backpressure, which can lead to better throttle response and slightly improved power delivery, especially in mid-to-high RPM ranges.

2. **Lightweight Design** As a "shorty" muffler, it is significantly lighter than a full-length exhaust system, reducing overall weight on the bike. This can improve handling and acceleration, particularly useful for track use or aggressive riding.

3. **Sporty Aesthetic** The R-304 muffler has a distinctive, aggressive look that complements the Yamaha YZ250 Pro s racing heritage. It gives the bike a more competitive, track-oriented appearance.

4. **Ease of Installation** Since it is a shorty muffler, it is easier to install compared to a full exhaust system. It typically requires fewer modifications and can be fitted without major frame or mounting changes.

5. **Sound Profile** The R-304 is known for producing a loud, aggressive, and sporty exhaust note that appeals to riders who prefer a more aggressive sound over a smooth, muffled tone.

6. **Compatibility** The muffler is designed specifically for the YZ250 Pro, ensuring a proper fit without the need for extensive modifications.

7. **Durability** Yamaha components are generally well-built, and the R-304 is made from high-quality materials, making it a reliable upgrade for serious riders.

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1. **Noise Levels** The R-304 is extremely loud, often exceeding legal street noise limits in many jurisdictions. Riders may need to use it primarily on private property, tracks, or in areas where high-noise exhausts are permitted.

2. **Legal Restrictions** In many places, loud exhaust systems are illegal for street use. Even if installed, the bike may require additional modifications (like a secondary muffler or a legal exhaust system) to comply with local regulations.

3. **Reduced Comfort** The aggressive sound can be jarring to some riders, especially in urban or residential areas. It may also be less pleasant for passengers or bystanders.

4. **Potential Power Loss at Low RPMs** While the R-304 improves mid-to-high RPM performance, some riders report a slight loss of low-end torque due to the reduced backpressure. This can make the bike feel less responsive at slow speeds.

5. **Maintenance Considerations** The aggressive sound and high temperatures generated by the muffler may require more frequent inspections of the exhaust system for leaks or damage.

6. **Cost of Additional Modifications** If you plan to use the bike on the street, you may need to invest in a secondary muffler or a legal exhaust system to meet noise regulations, adding to the overall cost.

7. **Resale Value Impact** A bike with a loud, track-focused exhaust system may have lower resale value compared to one with a stock or legal street exhaust.

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The Yamaha YZ250 Pro R-304 Shorty Muffler is an excellent choice for riders who prioritize performance, a sporty look, and an aggressive sound particularly those who primarily ride on tracks, private property, or in areas where loud exhausts are permitted. It offers noticeable improvements in exhaust flow and handling while maintaining a high-quality build.

However, if you plan to ride the bike legally on public roads, the noise restrictions may require additional modifications, which could offset some of the benefits. Additionally, the trade-off between performance gains and low-end torque loss should be considered based on your riding style.

For track-focused riders or those who enjoy a loud, competitive sound, this muffler is a worthwhile upgrade. For street riders who need to comply with noise laws, it may not be the best long-term solution without further modifications.

- **Buy it if:** You ride primarily on tracks, private property, or in areas where loud exhausts are allowed, and you want improved performance and a sporty sound.

- **Consider alternatives if:** You need to ride legally on public roads, as you may need to pair it with a secondary muffler or a legal exhaust system.

- **Alternative options:** If you want a balance between performance and legality, consider a Yamaha YZ250 Pro legal exhaust system or a slightly less aggressive muffler like the R-303.

Ultimately, the R-304 is a fantastic choice for enthusiasts who don t mind the noise and want a track-ready upgrade. Just be prepared for potential legal or practical limitations if you plan to use the bike on the street.

Details:

; NO BAD RASH,NO CRACKS OR UNWANTED HOLES,ENDS NOT PINCHED,NO DENTS,NOTHING BROKEN OFF STRIPPED OUT,NOT BENT,HAS INNER GUTS WELL PICTURED. If the item does not fit motorcycle model specified in listing. Each part is systematically placed to be easily located once purchased. ; 1995 YAMAHA YZ250 PRO CIRCUIT FACTORY SOUND R-304 STAINLESS SHORTY MUFFLER.

More options available upon request. Many countries only allow 79 max package length and girth combined. ADDRESS: Steele's Cycle, 2025 W. Inglewood, CO 80110.

part #: 2199997 prices

• $179.95-$199.99

specifications cyclemufflermo:

• for models: Yz250
• for makes: Yamaha
• for years: 1995
• mpn: 2199997
• type: Muffler

returns cyclemufflermo:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer cyclemufflermo:

• started: April 2, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1

general cyclemufflermo:

• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles
• condition: Used

payments cyclemufflermo:

• credit card: Discover
• other
• wallet: Paypal

shipping cyclemufflermo:

• carrier: FedEx
• cost: $24.99
• transit: 4-7 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• class: Standard

seller cyclemufflermo:

• # reviews: 57760
• rating: 100.0%
• city: Englewood, Colorado

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