ID 2.25 inch Straight Silicone Hose (8 inch Length) Coupler 4-Ply Reinforced with Stainless Steel Clamps Intake Piping, Couplers ID: 2.25"(57.2mm) is up for auction in Automotive. The current bid is $1.00, 92% below the $12.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.