SC-PROJECT Y11-DET70 Exhaust Carbon GP70-R

( Brand: Sc-project ), ( Manufacturer Part Number: Y11-DET70 ), ( Part Type: Exhaust )

Review SC PROJECT Yamaha Exhaust Carbon Complete fits YZF-R1 R1M 2015–2026

The **SC-Project Y11-DET70 (2015 2026) Yamaha YZF-R1 R1M GP70-R Carbon Exhaust System** represents the pinnacle of high-performance aftermarket tuning for Yamaha s legendary R1, meticulously engineered to deliver an unparalleled blend of raw power, precision engineering, and aerodynamic elegance. Designed exclusively for the **R1M** and **GP70-R** models spanning the 2015 through 2026 production years, this carbon-fiber exhaust system is not merely an upgrade it is a statement of intent for riders who demand both cutting-edge performance and a signature aesthetic. Crafted from **high-grade aerospace-grade carbon fiber**, the system s lightweight yet ultra-rigid construction eliminates flex, ensuring optimal power transfer and throttle response while reducing unsprung weight a critical advantage for track-focused riders. The **Y11-DET70** features a **dual-chamber, dual-pipe design** with a **high-flow catalytic converter** (where applicable) and **precision-machined stainless steel tips**, all engineered to maximize exhaust flow while maintaining compliance with emissions regulations. The **sleek, aggressive styling** of the carbon fiber bodywork not only enhances the R1 s already striking appearance but also integrates seamlessly with the bike s aerodynamic contours, reducing drag and improving high-speed stability. Under the hood, this exhaust system is optimized for the R1 s **1,000cc inline-four engine**, with a **tuned backpressure profile** that enhances mid-range torque and top-end horsepower, all while preserving the bike s natural power delivery characteristics. Whether on the track or the open road, the **SC-Project Y11-DET70** transforms the R1 into a more aggressive, responsive, and visually dominant machine, catering to both performance enthusiasts and those who appreciate the fusion of cutting-edge technology and timeless design.

### **Pros and Cons of buying a SC-Project Y11-DET70 (2015-2026 Yamaha YZF-R1/R1M/GP70-R Carbon Exhaust)**

#### **Pros**

1. **Performance Enhancement**

The SC-Project Y11-DET70 is designed to improve exhaust flow, reducing backpressure and allowing the R1 s engine to breathe more efficiently. This can lead to noticeable power gains, especially in the mid-to-high RPM range, where the R1 s twin-spargled engine excels. The carbon fiber construction also reduces weight, improving throttle response and agility.

2. **Lightweight Construction**

Made from carbon fiber, the exhaust system is significantly lighter than stock titanium or stainless steel exhausts. This reduces overall bike weight, improving handling dynamics, acceleration, and maneuverability critical for track use or aggressive riding.

3. **Aesthetic Appeal**

The Y11-DET70 features a sleek, aggressive design with a matte black carbon fiber finish that complements the R1 s sporty aesthetic. It stands out visually compared to stock or aftermarket exhausts with more utilitarian designs.

4. **Durability and Heat Resistance**

Carbon fiber is highly resistant to heat and corrosion, making this exhaust system more durable than some budget aftermarket options. It maintains structural integrity under high-stress conditions, such as track use or aggressive riding.

5. **Compatibility**

The exhaust is designed specifically for the R1 (including the R1M and GP70-R), ensuring a precise fit without the need for modifications. It integrates seamlessly with the bike s existing systems, including the catalytic converter (where applicable) and mounting points.

6. **Sound Profile**

While not as loud as some high-flow exhausts, the Y11-DET70 provides a sporty, aggressive tone that enhances the R1 s already distinctive exhaust note. It strikes a balance between performance and legality (assuming it meets local noise regulations).

7. **Track and Street Versatility**

The improved exhaust flow benefits both street and track use. On the track, the power gains and reduced weight can translate to better lap times. On the street, the lighter exhaust improves handling and responsiveness without sacrificing comfort.

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#### **Cons**

1. **Cost**

The Y11-DET70 is a premium exhaust system, priced significantly higher than stock or basic aftermarket options. For enthusiasts on a budget, this may be a substantial investment, especially when considering other performance upgrades.

2. **Installation Complexity**

While the exhaust is designed for easy installation, it may require some mechanical skill or professional help, particularly if the rider is unfamiliar with exhaust system modifications. Improper installation could lead to leaks or damage.

3. **Noise Regulations**

Depending on local laws, the exhaust s sound profile may exceed legal limits for street use. Riders in regions with strict noise ordinances may need to install a muffler or risk fines or registration issues.

4. **Limited Power Gains for Street Use**

While the exhaust provides noticeable performance benefits, the gains may be more pronounced in track or high-RPM scenarios. On the street, where riders often operate at lower RPMs, the power increase may be subtle and not justify the cost for casual riders.

5. **Carbon Fiber Maintenance**

Carbon fiber is durable but can be susceptible to scratches or damage from impacts. While rare, accidental damage (e.g., from a curb or debris) could require costly repairs or replacement.

6. **Resale Value Impact**

High-end modifications like this exhaust may not significantly boost the bike s resale value, especially if the market favors stock or more common aftermarket parts. Buyers looking to sell their bike later may not recoup the full cost of the upgrade.

7. **Potential for Overkill**

For riders who primarily use their R1 for commuting or casual riding, the Y11-DET70 may offer more performance than needed. The investment might be better spent on other upgrades (e.g., suspension, tires, or electronics) that provide broader benefits.

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### **Conclusion**

The SC-Project Y11-DET70 is an excellent choice for riders who prioritize performance, weight reduction, and aesthetics in their Yamaha YZF-R1, R1M, or GP70-R. Its carbon fiber construction delivers tangible benefits in handling, power, and track capability, making it ideal for enthusiasts who push their bikes hard. However, the high cost and potential noise concerns may deter budget-conscious riders or those in regions with strict emissions or noise laws.

For **track-focused riders, performance enthusiasts, or those seeking a premium upgrade**, the Y11-DET70 is a strong recommendation. For **casual riders or those on a tight budget**, the benefits may not justify the expense, and alternative exhausts (e.g., lighter titanium systems or stock upgrades) could offer a better balance of cost and performance.

### **Final Recommendation**

If you are a serious rider who frequently pushes your R1 to its limits whether on the track, in time trials, or aggressive street riding the Y11-DET70 is a worthwhile investment. Pair it with complementary upgrades (e.g., high-flow air filter, custom suspension, or ECU tuning) for maximum results. However, if you primarily use your bike for daily commuting or relaxed riding, consider lower-cost alternatives that still enhance performance without the premium price tag. Always ensure the exhaust complies with local regulations before installation.

Details:

Please verify compatibility with your specific motorcycle model before purchasing. Mounting brackets are intact and straight. Significant weight reduction vs OEM system. This is a high-performance aftermarket exhaust featuring titanium mid-pipe and carbon fiber muffler, engineered for weight reduction, improved airflow, aggressive sound.

PART NUMBER: Y11-DET70. Overall, this is a very clean and well-maintained system ready for installation. Aggressive Mtg-inspired sound profile. There are light surface marks and minimal cosmetic wear visible upon close inspection, but no dents, bends, or damage affecting performance.

Improved exhaust flow for enhanced performance. High-quality welds and precision engineering. Lightweight titanium construction with carbon fiber muffler. 2015 2026 Yamaha YZF-R1 R1M SC Project GP70-R Exhaust Carbon Complete Y11-DET70, Up for sale is an full exhaust system designed and model's.

Springs and clamps are included as shown. COMPATIBILITY: Yamaha YZF-R1 2015 Yamaha 2016 Yamaha 2017 Yamaha 2018 Yamaha 2019 Yamaha 2020 Yamaha 2021 Yamaha 2022 Yamaha 2023Yamaha 2024Yamaha 2025Yamaha 2026. Yamaha YZF-R1M 2015 Yamaha 2016 Yamaha 2017 Yamaha 2018 Yamaha 2019 Yamaha 2020 Yamaha 2021 Yamaha 2022 Yamaha 2023Yamaha 2024Yamaha 2025Yamaha 2026. The carbon fiber muffler is clean with no cracks, chips, or structural damage, and the SC Project badge fully intact vibrant.

The titanium piping shows normal heat discoloration blue/gold tint, which is typical and expected for this material. ITEM condition: This exhaust is in excellent used condition with only very minor signs of previous use.

part #: y11det70 prices

• $678.00-$738.00

specifications cyclemufflermo:

• for models: Yzf-r1, R1m
• for makes: Yamaha
• for years: 2015-2026
• brand: Sc-project
• mpn: Y11-det70
• part type: Exhaust

seller cyclemufflermo:

• rating: 99.1%
• # reviews: 4402
• city: Dallas, Texas

shipping cyclemufflermo:

• cost: $0.00
• transit: 4-8 Days
• type: Fixed
• service: Standard
• class: Standard

returns cyclemufflermo:

• policy: No Returns

payments cyclemufflermo:

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

general cyclemufflermo:

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

offer cyclemufflermo:

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

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