Upgrading the Exhaust System for Honda CBR650R: A Comparison

The Honda CBR650R is a motorcycle that thrills both on and off the race track. To enhance its performance and overall riding experience, many riders turn to aftermarket exhaust systems. In this article, we will compare two popular options for the CBR650R: the Akrapovič S-H6R11-AFT Racing Line (Titanium) and the Akrapovič S-H6R14-HEGEHT Racing Line (Titanium), as well as the Honda CBR650R Yoshimura Carbon Fiber Muffler.

Akrapovič S-H6R11-AFT Racing Line (Titanium)

• Power: +3.4 kW at 11,100 rpm
• Torque: +2.1 Nm at 8,950 rpm
• Weight: -4.6 kg

The Akrapovič Racing Line for the Honda CBR650R is a full step in the exhaust system tuning process, offering an excellent balance between price and optimum performance. This exhaust system is designed for riders who demand the utmost performance from their motorcycles. Compared to the stock exhaust system, it is significantly lighter and features exceptional production quality. This results in increased engine performance, combined with a pure racing sound output. The use of racing materials like titanium for the muffler outer sleeve gives this exhaust system a racing touch.

Please note: This product does not meet emission compliance requirements for street or highway use.

Akrapovič S-H6R14-HEGEHT Racing Line (Titanium)

• Power: +1.3 kW at 6,500 rpm
• Torque: +1.8 Nm at 6,350 rpm
• Weight: -3.1 kg

Similar to the S-H6R11-AFT, the Akrapovič S-H6R14-HEGEHT Racing Line for the Honda CBR650R represents a full step in the exhaust system tuning process. It strikes a great balance between price and optimum performance. This exhaust system is also designed for riders seeking maximum performance from their motorcycle. It is lighter than the stock exhaust system and boasts exceptional production quality. The use of racing materials, including titanium for the muffler outer sleeve and a carbon fiber end cap, contributes to its racing aesthetic.

Please note: EC type-approval is valid only when a catalytic converter is installed.

Honda CBR650R Yoshimura Carbon Fiber Muffler

The Honda CBR650R is known for its thrilling performance, and the Yoshimura Carbon Fiber Muffler takes it to the next level. This high-performing 4-2-1 system not only reduces weight but also adds significant performance gains. When tested on the dyno, the CB650R responded remarkably well to the R-77 Race Series Works Finish full system. Performance testing revealed substantial improvements, with a 5.9% gain in peak horsepower and a 5.2% increase in peak torque.

One of the standout features of this system is its ability to keep dB levels within acceptable limits while delivering top-notch performance, as demanded by the inline-four engine. The weight reduction is impressive, shedding over 9 pounds. Furthermore, it maintains the legendary Yoshimura quality and sound.

In summary, when it comes to upgrading the exhaust system for your Honda CBR650R, you have several exceptional choices. Whether you opt for the Akrapovič Racing Line or the Yoshimura Carbon Fiber Muffler, you can expect improved performance, reduced weight, and a touch of racing excellence. Choose the one that suits your preferences and hit the track with confidence.

Comparison of Exhaust Systems

When considering different exhaust systems for the Honda CBR650R, it's essential to take into account their differences and advantages. Here's a comparison of three options: Akrapovič S-H6R11-AFT Racing Line (Titanium), Akrapovič S-H6R14-HEGEHT Racing Line (Titanium), and Honda CBR650R Yoshimura Carbon Fiber Muffler.

1. Power and Torque:

• Akrapovič S-H6R11-AFT: +3.4 kW of power at 11,100 rpm, +2.1 Nm of torque at 8,950 rpm
• Akrapovič S-H6R14-HEGEHT: +1.3 kW of power at 6,500 rpm, +1.8 Nm of torque at 6,350 rpm
• Honda CBR650R Yoshimura: Test results show a power increase of 5.9% and a torque increase of 5.2% across the entire rpm range.

2. Weight:

• Akrapovič S-H6R11-AFT: -4.6 kg
• Akrapovič S-H6R14-HEGEHT: -3.1 kg
• Honda CBR650R Yoshimura: Weight reduction of over 9 pounds.

3. Price:

• Akrapovič S-H6R11-AFT: Average price
• Akrapovič S-H6R14-HEGEHT: Average price
• Honda CBR650R Yoshimura: Competitive price compared to other options.

4. Performance and Sound:

• Akrapovič S-H6R11-AFT: Excellent performance and a pure racing sound.
• Akrapovič S-H6R14-HEGEHT: Performance and a pure racing sound, ECE-approved.
• Honda CBR650R Yoshimura: Outstanding performance and acceptable noise levels.

5. Emission Compliance:

• Akrapovič S-H6R11-AFT: Does not meet emission requirements for streets or highways.
• Akrapovič S-H6R14-HEGEHT: EC type-approval is valid only when a catalytic converter is installed.
• Honda CBR650R Yoshimura: No information regarding emission compliance.

In summary, each of these exhaust system options has its unique features and advantages. Akrapovič S-H6R11-AFT offers a significant power and torque boost but is not approved for street use. Akrapovič S-H6R14-HEGEHT combines performance with ECE certification, which may be important for some riders. Honda CBR650R Yoshimura also delivers substantial performance benefits and weight reduction while maintaining acceptable noise levels.

Your choice of exhaust system depends on your preferences for performance, emission compliance, and budget. Before making a decision, it's essential to carefully consider these aspects and choose the option that best suits your needs. Consulting with experts or motorcycle mechanics for additional information and advice is also worthwhile.