Pro Circuit Works Finish pipe Yamaha YZ250 WR250 89 Grip 000 mm+so what does this

000 mm+so what does this mean

· Yamaha WR250 1992

phosphate free

125-300 EXC 04-16

KTM 125 SX 2004-2008

Pro Circuit Works Finish pipe Yamaha YZ250 WR250 89 Grip 000 mm+so what does thisThe original Pro Circuit Works Pipe offers unparalleled performance and power for every two stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires some maintenance, but really gives your bike that "Works Look". Features: Stamped AKDQ high quality carbon steel construction Hand welded and pounded seams Reinforced mounting brackets and stinger Made in the