Graves EVR Slip-On Exhaust Yamaha R1 / R1M / R1S

Graves EVR Slip-On Exhaust Yamaha R1 / R1M / R1S

$2,199.95

Out of stock

Description

The Graves EVR Exhaust offers the peak power of a full system without sacrificing any low-end usable power. This was possible thanks to the Grave’s Exhaust Valve Race Technology. Already incorporated into the factory Yamaha bikes, EVR features an ECU controlled butterfly valve that provides great power output and drivability while maintaining the great looks of a shorty muffler. Additionally, the sound output is tamed at low RPMs but is unrestricted when the throttle is wide open. This would not be possible with a sound insert as it would rob power from the entire RPM range.

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