Lexus IS300 2001-2005 Bolt-On Aluminum Polished Piping Kit + Blue CouplersLexus IS300 Intercooler Piping Kit + Blue 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 Piping Kit, Clamps Kit, and Silicone Blue Couplers. NOTES: This is an upgrade kit may require additional parts. Additional piping may be required