YOSHIMURA 14730BP520 Muffler Exhaust Slip S.s. 500/400

( Brand: Yoshimura ), ( Manufacturer Part Number: 14730BP520 ), ( Type: Muffler ), ( Discount: Lowest Prices On The Web Or At Dealership ), ( Ships Today: Free Same Day Shipping ), ( Manufacturer Warranty: Other ), ( Color: Natural ), ( Features: High Performance Mufflers Headers ), ( Disclaimer: Note ), ( Country Of Origin: United States ), ( Placement On Vehicle: Exhaust ), ( Part Type: At2 Street Series Slip-on )

Review YOSHIMURA Slip on Muffler Exhaust.s. 500/400 fits NINJA AT2 500 400 2018–2026

The **Yoshimura 14730BP520 AT2 Slip-On Muffler** is a meticulously engineered exhaust component designed exclusively for the **Honda Ninja 500/400 (2018 2026)**, offering a perfect blend of performance, style, and durability. Crafted from **high-grade stainless steel (S.S.)**, this slip-on muffler is built to withstand the rigors of daily riding, urban commuting, and spirited track sessions alike, ensuring long-lasting reliability without the need for frequent maintenance. The **AT2 (Advanced Technology 2) design** incorporates a **dual-tone finish**, featuring a sleek **black exterior with a polished stainless steel inner cone**, creating a striking visual contrast that enhances the sporty aesthetic of the Ninja s stock exhaust system. This dual-tone treatment not only elevates the bike s appearance but also contributes to a refined exhaust note, delivering a **smooth yet aggressive tone** that balances power and refinement ideal for riders who appreciate a modern, polished sound without excessive volume.

Underneath its polished exterior, the Yoshimura 14730BP520 is engineered for **optimal exhaust flow and backpressure management**, ensuring that the Ninja s engine breathes efficiently while maintaining a **clean, linear power delivery** across the rev range. The **slip-on installation** simplifies the upgrade process, requiring minimal modification to the stock exhaust system, which means no need for welding or complex piping adjustments. This makes it an excellent choice for riders who want to enhance their bike s performance without the hassle of a full exhaust swap. The muffler s **internal baffling design** is optimized to reduce turbulence while allowing exhaust gases to exit smoothly, contributing to both **better throttle response and a more engaging riding experience**.

For those who prioritize **aesthetic customization**, the Yoshimura 14730BP520 offers a **subtle yet noticeable upgrade** over the stock exhaust, with its **contoured shape and premium finish** complementing the Ninja s aggressive, sport-touring silhouette. The **polished stainless steel inner cone** not only adds a touch of luxury but also helps dissipate heat more effectively, reducing the risk of thermal stress on the surrounding components. Additionally, the muffler s **durable construction** ensures resistance to corrosion, rust, and road debris, making it a practical choice for riders who frequently navigate wet or salty conditions. Whether cruising through city streets, tackling twisty backroads, or hitting the track for weekend sessions, this muffler delivers **consistent performance and a refined exhaust tone** that enhances the Ninja s already impressive character.

Beyond its functional and stylistic merits, the Yoshimura 14730BP520 is a testament to the brand s commitment to **precision engineering and rider-centric design**. Yoshimura s reputation for **high-quality exhaust components** is well-earned, and this muffler continues that legacy with its **attention to detail, ease of installation, and long-term reliability**. For the Honda Ninja 500/400 owner seeking a **subtle yet impactful exhaust upgrade**, this slip-on muffler strikes the perfect balance between **performance, aesthetics, and practicality**, ensuring that every ride feels sharper, sounds more refined, and looks more striking. Whether you re a daily commuter or a weekend warrior, the Yoshimura 14730BP520 is a **smart investment** that elevates the Ninja s exhaust system without compromising on quality or style.

### **Pros and Cons of buying a Yoshimura 14730BP520 AT2 Slip-On Muffler for Kawasaki Ninja 500/400 (2018 2026)**

1. **Improved Sound** The AT2 series is known for its aggressive, deep, and resonant exhaust note, which stands out compared to stock mufflers. It delivers a more sporty, throaty tone that appeals to enthusiasts who want a louder, more distinctive exhaust sound.

2. **Performance Gains** While the slip-on design does not provide as significant a backpressure reduction as a full exhaust system, it still offers a slight performance boost by reducing restriction. This can lead to marginal improvements in throttle response and power delivery, especially noticeable in mid-range RPMs.

3. **Lightweight Construction** Made from stainless steel, the muffler is lighter than many aftermarket options, which can help with handling and agility, particularly on sportier bikes.

4. **Easy Installation** As a slip-on, it requires minimal modification just removing the stock muffler and bolting the new one in place. No welding or major disassembly is needed, making it a straightforward upgrade.

5. **Durability** Yoshimura uses high-quality stainless steel, which is resistant to corrosion and can withstand the demands of daily riding, track use, and varying weather conditions.

6. **Aesthetic Appeal** The AT2 series features a sleek, aggressive design that enhances the bike s sporty look, complementing the Ninja s aggressive styling.

7. **Compatibility** Specifically designed for the 2018 2026 Kawasaki Ninja 500/400, ensuring a proper fit without the need for adapters or modifications.

8. **Sound Customization** If you prefer a louder exhaust without the hassle of a full system, this is a practical middle-ground option that delivers a noticeable sound upgrade.

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1. **Limited Performance Impact** Since it is a slip-on, it does not replace the entire exhaust system. The catalytic converter and mid-pipe remain stock, so the gains are modest compared to a full aftermarket exhaust. Expect only slight improvements in power and sound, not a dramatic shift.

2. **Sound May Not Be to Everyone s Taste** The AT2 series is loud and aggressive, which may not suit riders who prefer a quieter, more refined exhaust tone. Local noise ordinances could also be a concern in some areas.

3. **No Significant Backpressure Reduction** Unlike a full exhaust system, the slip-on does not address the stock exhaust s restrictive backpressure. If your goal is performance, a full system (e.g., Yoshimura s AT2 full exhaust) would be a better investment.

4. **Potential for Vibration** Some riders report slight vibrations at higher RPMs, though this can vary based on mounting and bike setup. Proper installation and use of vibration-dampening materials can help mitigate this.

5. **Cost Relative to Benefits** For the performance gains, the slip-on is relatively expensive compared to other slip-ons or mufflers. If you re primarily after sound, there may be cheaper alternatives (e.g., other brands or single mufflers).

6. **Installation Quality Depends on Rider** While straightforward, improper installation (e.g., loose bolts, misalignment) can lead to rattling or leaks. Ensuring a tight, secure fit is crucial.

7. **No Emissions Compliance** Like most aftermarket exhausts, this slip-on will not pass emissions testing in regions where it is required (e.g., some states in the U.S.). Riders should check local regulations before installing.

8. **Limited Sound Customization Options** If you want to fine-tune the exhaust note further, you ll need to pair it with other components (e.g., a full exhaust or different muffler), limiting flexibility.

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The Yoshimura 14730BP520 AT2 slip-on muffler is an excellent choice for riders who prioritize **sound over performance** and want a straightforward, high-quality upgrade for their Ninja 500/400. It delivers a **distinctive, aggressive tone** and offers **marginal performance benefits** without the complexity of a full exhaust swap. However, if your primary goal is **maximizing power or reducing backpressure**, a full aftermarket exhaust system would be a more worthwhile investment.

For riders who enjoy a **loud, sporty sound** and don t mind the limitations of a slip-on, this muffler is a solid pick. Those who want **substantial performance gains** or **emissions compliance** should consider other options.

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- **Buy it if:** You want a **loud, aggressive sound** with minimal effort, enjoy the Ninja s stock performance, and don t need emissions compliance. It s also a good choice if you plan to pair it with a full exhaust system later.

- **Skip it if:** You re looking for **significant performance improvements**, want to avoid noise complaints, or prefer a quieter exhaust tone. In that case, consider a **full exhaust system** (e.g., Yoshimura AT2 full exhaust) or a **different muffler brand** with a more refined sound.

- For **better performance**, opt for a **full exhaust system** (e.g., Yoshimura AT2 full exhaust or other brands like Akrapovi or S&S).

- For **budget-friendly sound upgrades**, explore **single mufflers** from other manufacturers (e.g., MagnaFlow, Dyno Audi).

- If **emissions compliance** is required, stick with **OEM or DOT-approved exhausts**.

Ultimately, this slip-on is a **great middle-ground option** for sound enthusiasts who don t want to commit to a full exhaust swap.

Details:

Sounds great, still has a lot of life only used about 200 miles, I sold the bike and don't need it anymore. Comes with mounting accessories.

part #: 14730bp520 prices

• $569.00-$609.00

specifications cyclemufflermo:

• for models: At2, 500, 400, Ninja
• for years: 2018-2026
• brand: Yoshimura
• mpn: 14730bp520
• type: Muffler
• discount: Lowest Prices On The Web Or At Dealership
• ships today: Free Same Day Shipping
• manufacturer warranty: Other
• color: Natural
• features: High Performance Mufflers Headers
• disclaimer: Note
• country of origin: United States
• placement on vehicle: Exhaust
• part type: At2 Street Series Slip-on

offer cyclemufflermo:

• started: March 10, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0

seller cyclemufflermo:

• city: Jonesboro, Illinois
• rating: 100.0%
• # reviews: 109

general cyclemufflermo:

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

shipping cyclemufflermo:

• transit: 3-9 Days
• class: Standard
• type: Calculated
• carrier: FedEx
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery

returns cyclemufflermo:

• policy: No Returns

payments cyclemufflermo:

• credit card: Visa
• money order
• wallet: Google-pay
• other

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