Works Pipe fits 2002-2026 Yamaha YZ250(250X0 R-304 Shorty Silencer fits 2003-2026 Yamaha YZ250(X) This combo was used for 2 motos on an MX Track and is in excellent like new condition. Absolutely no dings or dents whatsoever. New O-rings installed in the pipe. This combo new is over $450. Details for Works Pipe: The original Pro Circuit Works Pipe offers unparalleled performance and power for two-stroke applications. 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". Stamped AKDQ high quality carbon steel construction. Hand welded and pounded seams. Reinforced mounting brackets and stinger. Details R-304 Shorty Silencer The R-304 Shorty Silencer is Pro Circuit’s go-to option for riders that want maximum power, the best sound, and a compact size for their track-oriented 2 stroke dirt bikes. With the Shorty you’re looking at a stainless stinger, stainless end cap, and a lightweight aluminum canister body that’s cut short to give you both more low end punch, and less of a chance of crunching the silencer if you loop your bike. Construction is top notch like all Pro Circuit components, so expect a much lighter weight than stock and removable hardware so you can easily repack your silencer without drilling any rivets. Specs: Short canister body for optimum power gains Improves power in low to mid range Lighter than stock silencer For closed-course use only Easy repacking/disassembly with removable hardware 6061 T-6 aluminum alloy canister body 304 Stainless steel intake tube Stainless steel end cap Double walled mounting bracket Tig and mig welded Brushed finish on canister E-Glass packing for max material life