Amazon.com: Niubid 1/2” x 24 ” Black Malleable Steel Nipples,SCH 160 Black Pipe Nipples - Extra Heavy XXS - 1/2,ARH Full Exhaust System 1-7/8,Southland 1-in x 10-ft Black Pipe 20624 at Lowes.com,Downpipes Header 304 Stainless Steel for KZ1000P Police