This pipe and silencer combo were used for one weekend at the track with about 2.5 hours. No dents or dings, it has minor marks from being mounted but no damage at all. This combo retails for about $440.00 plus new. It is in like new condition. The pipe fits 2002 -2026 YZ250 and 250X's, the silencer fits years 2003 -2026. The expansion chamber has the O-Rings in it. The first Pro Circuit pipe built with bare metal finish, giving it a unique style that sets it apart from all other pipes Durable construction conforms to the natural shape of the motorcycle for exceptional fit and performance Reinforced brackets and stingers prevent cracking, and CNC-machined flange provides precise leak-free fit Distinctive design yields increased horsepower and stronger throttle response throughout the entire rpm range Excellent choice for those who want factory-level high-performance features Features include stamped AKDQ high-quality carbon steel construction Hand-welded and pounded seams Embossed nameplate and CNC-machined exhaust flange 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