BMW R850GS Exhaust Silencer Muffler GP1 + dB killer medium WP Performance Boost – Increased horsepower

Performance Boost – Increased horsepower and torque

YZF-R1 2004 - 2008

KTM 350EXC-F 2021

Honda CBR900RR 1997

BMW R850GS Exhaust Silencer Muffler GP1 + dB killer medium WP Performance Boost – Increased horsepowerBMW R850GS Exhaust Silencer Muffler GP1 + dB killer medium Dominator GP1 slip on silencer built for BMW R850GS GP1 + medium. Supplied with a removable dB killer insert. RACE USE ONLY not approved for public road use. Always check local regulations and venue noise limits. Key specs & features Includes removable dB killer insert. Medium insert option (as listed). Use to fine tune exhaust volume; results depend on silencer core and engine setup. Check