ALPINESTARS Linear Wordmark T-Shirt - Black/Warm Red - Medium 1212720201523M Absorbent Pit Pad This R1 exhaust system was

This R1 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 7 consecutive Moto America / AMA Superbike championships along with numerous 600cc titles

Gains of 5-7 hp can be achieved with these parts (up to 25 with the Graves full exhaust system

Using the highest quality hardened steel and coated with copper for added protection

Graves Cat Back No Insert @ IDLE 91

for off-road use only

ALPINESTARS Linear Wordmark T-Shirt - Black/Warm Red - Medium 1212720201523M Absorbent Pit Pad This R1 exhaust system was100% Combed ring spun cotton Front linear graphic and sleeve logo Soft hand print Internal neck print, external labeling