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

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

The Graves EVR (Exhaust Valve Race) Exhaust is a unique exhaust that combines the best characteristics of a race proven exhaust with a exhaust valve that provides much better drivability. 

The Graves Slip-On Exhausts are designed for the elite rider seeking top of the line performance, fit, finish and value. This exhaust was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 6 consecutive Moto America / AMA Superbike championships along with numerous 600cc titles. 

Features:

• Grave's EVR (Exhaust Valve Race Technology)
• Diamond shaped muffler design that matches the Yamaha
• Integrated exhaust hanger
• Aerospace grade titanium connecting pipe
• Machined joint fittings
• Eliminates catalytic converter
• 1 Auto Tuner Style Lambda sensor receiver comes standard (OEM dual sensor mounts up front are eliminated for a smoother flowing exhaust)
• Includes Flashtune EVR activation map code
• Made in USA

Note: Requires Flash Tune Kit (sold separately) to use the included EVR activation map code.