SC-Project Full Exhaust System 4-1 for Honda CBR650R (2019–2020) – SC1-R Titanium Muffler Performance Upgrade

Upgrade your Honda CBR650R with the SC-Project Full Exhaust System 4-1, featuring the SC1-R Titanium muffler. Designed for riders seeking maximum performance, reduced weight, and a racing-inspired aesthetic.

Enhanced Performance
• Full Exhaust System 4-1 – Optimized for power and torque across the RPM range.
• Power Boost – +1.9 hp @ 11,500 rpm and +1.8 Nm torque @ 5,250 rpm.
• Lightweight Design – Total weight reduced by 2.2 kg (Stock 8.5 kg / SC 6.3 kg) for better handling and rideability.

Premium Materials & Build
• Headers – Stainless Steel AISI 304 for durability and heat resistance.
• Muffler Body – Available in Titanium or Carbon fiber for a premium racing look.
• End Cap – Carbon fiber for lightweight aesthetics.
• CNC Machined Bushings – Ensures precise fit and improved exhaust flow.

Street-Legal & Ready for Use
• Homologation – EC and TUV approved, EURO 4 compliant.
• Lambda Probe – Compatible with your bike’s original sensor.
• dB-Killer – Included for noise regulation.

Kit Contents
• Full 4-1 Exhaust System with AISI 304 steel pipes
• Slip-On SC1-R Muffler (Titanium or Carbon)
• Springs and screws for installation
• SC-Project branded stickers
• 24-month official SC-Project warranty
• Homologation card

Design & Engineering Excellence
SC-Project developed this exhaust in collaboration with top MotoGP and SBK teams, ensuring racing-level performance and fit. Hydroformed exhaust pipes, TIG welds, and sound-absorbing materials provide both style and superior function. The SC1-R muffler’s asymmetric rhomboidal shape with carbon or titanium finish delivers a striking, exclusive look while maintaining optimal performance.