FIM-approved 304 stainless steel end cap. Steel Allen-head screws for rebuilding/repacking.
MUST be used with PRO CIRCUIT PIPES!!! Lightest weight and best sounding of all available silencers. Last set available for back order! Order now these have been in short supply (all back orders presold) nationwide!! If you have a PO BOX, please provide BOTH PO Box and physical street address at checkout.The PO Box can be added to the second address line after your physical address. The product must be unused, in re-sellable condition and include all original packaging and/or tags.