Designed by professional motocross and supercross racer, Ryan Vilopoto Constructed of high-quality carbon steel with hand welded and pounded seams Reinforced mounting brackets and stinger Designed to be stronger on the bottom-to-middle part of the powerband Beneficial off the start or on tighter, softer tracks where acceleration out of corners is key Made in the U.S.A.. PIPE WORKS RV YZ125