2.5" Universal (12 Piece) Black Aluminum Piping Kit with 24 T-Bolt Clamps + Silicone Black Couplers2. 5" Universal Aluminum Piping Kit + T Bolt Clamps + Silicone Couplers 100% Brand New Items, Never Used Or Installed Made from High Quality Light Weight T6061 Aluminum Increases Up to 65% Air Flow Compared to Standard Bent Piping All Mandrel Bent Piping with Beaded Flared Ends Pipes are all 1 16 Inches Thick Comes with Black Aluminum Piping, T Bolt Clamps, and Silicone Couplers Package Includes: x2 Straight Aluminum Pipe x6 90 Degree Mandrel Bent