This 3 ply silicone hump hose comes in a black finish. It can be used to couple 4.25 inch OD tubing together with slight flexability. Available in 2.5 inch and 3 inch lengths.
For Roto-fab air intake systems our 2010-15 Camaro SS uses a 3 inch long hump hose. Our ZL1 intake system uses a 2.5 inch hump hose.