Graves Motorsports Exhaust System Yamaha Yxz1000R The Graves Exhaust System embodies advanced technology that has driven Monster Energy Graves Yamaha Champions Josh Hayes and Josh Herrin to their consecutive AMA Superbike victories. Designed for high-caliber drivers who demand exceptional performance, fit, finish. Its distinct diamond-shaped muffler aligns with the contemporary aesthetics of today's recreational vehicles, ensuring optimal power and torque delivery. With Graves Everlast packing, the exhaust system produces a unique note that withstands the harsh conditions of high-revving engines for longer durations. The aggressive tapered design of the 1mm thick titanium headers enhances throttle response and facilitates increased power delivery during low to mid-range while demonstrating a substantial rise in peak power output. Features: Premium grade titanium Machined joint fittings 4mm thick titanium spring tabs Aircraft grade rivets Titanium exhaust band Billet hard anodized 7075T651 aluminum flanges Compatible with Dynojet or OEM O2 sensor 14.7 lbs weight savings Sound insert/Spark arrestor available (sold separately) Made in USA Note: This exhaust ships with black and silver logo badge, not yellow and red.