3" Silicone Hump Hose Color:BLACK If you have trouble tightening

If you have trouble tightening fully

They are chemically identical to Teflon

All of our silicone parts are now of Genuine 4-Ply construction - that's 5 layers of silicone plus 4 layers of reinforcement for 9 total layers

These are sanitary grade

3" Silicone Hump Hose Color:BLACK If you have trouble tighteningHump hoses are used to make slight adjustments when building your intake. These hoses flex up to 20 degrees for slight bends. They can also compensate for a slight misalignment of the pipes. Applications: Joining your intake pipe to the throttle body assembly, air metering assembly, intercooler, BOV pipe, or turbo inlet outlet. Custom compressor, intercooler or inlet piping for turbo supercharged car Custom cold air intake for nonturbo car Replacement