T-6061 aerospace-grade aluminum shells with billet end caps combined with 304 stainless steel headers and inlets. Two-piece billet end caps accept a USFS-approved spark arrestor and the exclusive HMF quick-change low dB Quiet Core. Heavy-duty stainless steel rivets. TIG-welded aluminum brackets. Packed with Bristol Core brand pillow packing. Blackout models covered in flat black coating with gunmetal grey shell.. More color options available by special order. Two-year manufacturer's warranty. Made in USA. Slip-on Dual Slip-on Dual, Yellow
