KAWASAKI KA9964 Slayer Carbon Slip

( Manufacturer Part Number: KA9964 ), ( Part Type: Slip ), ( Mounting Style: Slip-on ), ( Machine Type: Street Motorcycle ), ( Color: Black ), ( Material: Carbon ), ( Vintage Part: No ), ( Placement On Vehicle: Exhaust ), ( Manufacturer Warranty: 1 Year ), ( Features: Easy To Replace ), ( Finish: Polished ), ( Country Of Origin: United States ), ( Performance Part: Yes )

Review KAWASAKI Slayer Carbon Slip on fits STREET M4 ZX-10R 2021–2026

The **Kawasaki Ninja ZX-10R (2021 2026) M4 Street Slayer Carbon Slip-On** is a high-performance, track-inspired sportbike that seamlessly blends aggressive racing pedigree with street-ready practicality, making it a standout choice for riders who demand both raw power and refined handling. Engineered as the successor to the legendary ZX-10R, this model retains the iconic 999cc, liquid-cooled, inline-four cylinder powerplant, which delivers an exhilarating 180 horsepower and 84 lb-ft of torque through a six-speed transmission with a slipper clutch for effortless revving and smooth engagement. The M4 Street Slayer variant elevates the standard ZX-10R with a striking carbon-fiber slip-on exhaust system, designed to enhance both performance and aesthetics. The exhaust not only reduces weight critical for improving agility and responsiveness but also contributes to a deeper, more dynamic exhaust note that resonates with the bike s aggressive stance and high-revving nature. This carbon slip-on is meticulously crafted to optimize airflow, ensuring that the engine breathes efficiently even under heavy throttle, while its lightweight construction subtly lowers the bike s center of gravity, sharpening cornering precision and stability.

Visually, the M4 Street Slayer exudes a bold, futuristic aesthetic that sets it apart from its standard counterparts. The bike s frame is adorned with a sleek, matte black paint scheme accented by striking red and white graphics, including a prominent "M4" logo on the fairing, which immediately communicates its performance-oriented identity. The carbon-fiber exhaust pipes, visible through the bike s underseat area, add a touch of high-tech sophistication, reinforcing the bike s racing heritage. The front fairing features a sharp, angular design with integrated LED lighting both high-mounted and under the fairing that ensures visibility is never compromised, even at high speeds. The windscreen is slightly larger than the standard ZX-10R, providing better aerodynamic efficiency and rider comfort during long rides, while the ergonomics remain aggressive, with a low, wide seat and a riding position that encourages forward lean for optimal control.

Underneath the surface, the M4 Street Slayer benefits from Kawasaki s advanced engineering, including a fully digital instrument cluster with a high-resolution display, real-time data monitoring, and customizable settings to tailor the riding experience. The bike s suspension is tuned for both track and street use, featuring a fully adjustable inverted front fork and a rear shock with preload and rebound damping adjustments, allowing riders to fine-tune the setup for their preferred riding style. The braking system is equally impressive, with dual 310mm front discs and a single 250mm rear disc, paired with radial-mount Brembo calipers that provide exceptional stopping power and modulation. The tires, such as the Michelin Power 4S or Bridgestone BT017, are optimized for high-speed stability and precise cornering, ensuring the bike remains planted and responsive in all conditions.

For those who appreciate both performance and practicality, the M4 Street Slayer offers thoughtful touches that enhance its street-ready appeal. The bike features a compact, integrated fuel tank with a capacity of 17.3 liters, providing ample range for long journeys without sacrificing the sporty silhouette. The seat is contoured for comfort during extended rides, though it retains the bike s aggressive, forward-leaning posture. Storage options include a small top box and a hidden compartment under the seat, offering practicality without detracting from the bike s sporty aesthetic. Additionally, the M4 variant includes a few exclusive accessories, such as carbon-fiber handlebar grips and a lightweight windscreen, which further emphasize its performance-focused identity while ensuring rider comfort.

In summary, the Kawasaki Ninja ZX-10R M4 Street Slayer Carbon Slip-On for the 2021 2026 model years is a masterclass in blending raw power, cutting-edge technology, and striking design. Whether you're carving through twisty backroads, pushing the limits on the track, or cruising at high speeds on the highway, this bike delivers an unparalleled riding experience. Its carbon slip-on exhaust system not only enhances performance but also adds a touch of exclusivity, making it a standout choice for riders who seek both performance and personality in their machine. With its aggressive stance, advanced engineering, and track-inspired pedigree, the M4 Street Slayer is a true street slayer, designed to dominate the road with style and speed.

### **Pros and Cons of Buying a Kawasaki Ninja ZX-10R (2021 2026 Models)**

#### **Pros**

1. **Performance and Power**

The ZX-10R is one of the most powerful production motorcycles, producing **223 230 hp** (depending on the model year) and **116 lb-ft of torque**. Its **1,002cc parallel-twin engine** delivers incredible acceleration and top-speed capability, making it one of the fastest street-legal bikes available.

2. **Advanced Engine Technology**

Kawasaki s **Fuel Injection (FI) system** and **variable valve timing (VVT)** provide precise power delivery and efficiency. The **liquid-cooled engine** ensures consistent performance under heavy loads, while the **high-revving nature** (redline around **14,000 RPM**) offers a thrilling driving experience.

3. **Lightweight and Agile Handling**

At around **470 480 lbs (dry weight)**, the ZX-10R is relatively light for its power, improving maneuverability and making it easier to handle at high speeds. The **inverted front fork and rear monoshock suspension** provide sharp, responsive cornering and stability.

4. **Premium Build Quality and Materials**

The **carbon fiber fairings** (on the M4 Street Slayer model) reduce weight while maintaining rigidity, improving aerodynamics and handling. The **aluminum frame** and **high-strength steel components** ensure durability and precision.

5. **Advanced Electronics and Safety Features**

The ZX-10R comes equipped with **Kawasaki s Intelligent Stability Control (ISC)**, which helps prevent wheelie and low-side crashes. It also features:

- **Traction Control (TC)**

- **Cornering ABS**

- **Selectable riding modes (Sport, Rain, Off, and Custom)**

- **Digital instrument cluster with adjustable display options**

6. **High-Speed Stability and Aerodynamics**

The **full fairings and aggressive wind tunnel-tuned design** reduce drag, allowing the bike to maintain stability at **186 mph** (top speed). The **slip-on exhaust** (on the M4 model) enhances both performance and aesthetics.

7. **Aftermarket Support and Customization**

The ZX-10R has a strong aftermarket following, with availability of **performance parts (exhausts, ECU tunes, suspension upgrades)** and **cosmetic modifications** (custom paint, decals, etc.).

8. **Reliability and Maintenance**

Kawasaki s parallel-twin engines are known for **durability and longevity**, especially when properly maintained. The **oil-cooled pistons** help prevent overheating under heavy loads.

---

#### **Cons**

1. **High Cost of Ownership**

- **Purchase Price:** The ZX-10R is one of the most expensive production motorcycles, with MSRP ranging from **$15,000 $17,000 ** (depending on model year and options).

- **Maintenance & Repairs:** High-performance components (e.g., suspension, brakes, engine internals) can be expensive to replace. **Oil changes, spark plugs, and air filters** are more frequent due to the engine s demanding nature.

- **Fuel Consumption:** Expect ** 4.5 5.5 MPG** in mixed riding, making it one of the least fuel-efficient bikes on the market.

2. **Aggressive and Uncomfortable for Long Rides**

- The **upright riding position** and **high seat height ( 3.5 inches)** make it less ergonomic for long-distance touring.

- **Vibration and Wind Noise:** At high speeds, wind noise and engine vibration can be intrusive, making it less suitable for extended rides.

- **Limited Storage:** No built-in storage (unlike adventure bikes), requiring aftermarket saddlebags if needed.

3. **Maintenance Intensity**

- The **high-revving engine** requires **more frequent oil changes** (every **3,000 5,000 miles** for synthetic oil).

- **Throttle body cleaning** and **fuel system maintenance** are necessary to prevent carbon buildup.

- **Brake wear** is significant due to aggressive riding styles, requiring frequent pad and rotor replacements.

4. **Not Ideal for Beginners or Casual Riders**

- The **power delivery is overwhelming** for inexperienced riders, making it difficult to control at low speeds.

- The **high top speed and aggressive nature** make it more suited for **track days, drag racing, or experienced riders** rather than daily commuting.

5. **Weight Distribution and Stability at Low Speeds**

- While the bike is stable at high speeds, **cornering at slow speeds can feel twitchy** due to the **lightweight frame and aggressive geometry**.

- Some riders report **front-end dive under hard braking**, which can be unsettling for new riders.

6. **Resale Value Depreciation**

- Like most high-performance sportbikes, the ZX-10R **loses significant value over time**, especially if not well-maintained.

- **Modifications (exhaust, suspension, ECU tunes)** can further reduce resale value unless done professionally.

7. **Limited Off-Road or Adventure Capabilities**

- The ZX-10R is a **pure street/race bike** with no off-road features, making it unsuitable for trails or mixed terrain.

---

### **Conclusion and Recommendation**

#### **Who Should Buy a Kawasaki Ninja ZX-10R (2021 2026)?**

- **Experienced riders** who prioritize **speed, power, and track performance**.

- **Enthusiasts who enjoy high-revving, aggressive sportbikes** and don t mind the maintenance demands.

- **Those who ride mostly on **high-speed roads, racetracks, or drag strips**.

- **Riders who appreciate **premium build quality and aerodynamics** but don t need long-distance comfort.

- **Individuals willing to invest in **high-performance maintenance and fuel costs**.

#### **Who Should Avoid It?**

- **Beginners or casual riders** who prefer a more manageable, forgiving bike.

- **Touring or long-distance riders** who need comfort and storage.

- **Budget-conscious buyers** who can t afford high maintenance costs.

- **Those who prioritize off-road or adventure capabilities**.

#### **Final Recommendation**

If you are an **experienced rider** looking for the **fastest, most powerful street-legal bike** with **track-ready performance**, the **Kawasaki ZX-10R (especially the M4 Street Slayer Carbon model)** is an excellent choice. However, be prepared for **high costs, intense maintenance, and an aggressive riding style**.

- **Kawasaki Ninja H2R** (if you want a **superbike-level experience** but with even more power).

- **Ducati Panigale V4** (if you prefer **Italian engineering and track dominance**).

- **Yamaha YZF-R1** (if you want a **more balanced, slightly more affordable** option).

- **BMW S 1000 RR** (if you prefer a **more comfortable yet still high-performance** sportbike).

If you **must** go with the ZX-10R, **budget for maintenance, invest in quality parts, and ensure you have the skill level** to handle its power responsibly. Otherwise, a slightly less extreme bike may offer a better **balance of fun and practicality**.

Details:

In great condition. Original packaging included along with the baffle and retention bolt. I used this exhaust system on my Zx10r for around 85 miles before switched to another.

part #: ka9964 prices

• $349.99-$497.00

specifications cyclemufflermo:

• for models: M4, Zx-10r, Street
• for makes: Kawasaki
• for years: 2021-2026
• mpn: Ka9964
• part type: Slip
• mounting style: Slip-on
• machine type: Street Motorcycle
• color: Black
• material: Carbon
• vintage part: No
• placement on vehicle: Exhaust
• manufacturer warranty: 1 Year
• features: Easy To Replace
• finish: Polished
• country of origin: United States
• performance part: Yes

seller cyclemufflermo:

• # reviews: 86
• city: Toledo, Ohio
• rating: 100.0%

returns cyclemufflermo:

• policy: No Returns

payments cyclemufflermo:

• credit card: Mastercard
• other
• wallet: Apple-pay

offer cyclemufflermo:

• started: May 20, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• best offers: True
• options: Ship-to-home

shipping cyclemufflermo:

• carrier: USPS
• type: Fixed
• transit: 8-12 Days
• service: USPS Ground Advantage
• class: Standard
• cost: $42.75

general cyclemufflermo:

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

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