High compression auto 3 intake coupler p product description description: inner: 100% high quality siliconecover: siliconereinforce ply: 4ply reinforce: polyester / aramid / glass fiber color: black / red / blue / green / yellow features: good electrical insulating performance no taste, no toxic, eco-friendly. High temperature resistance, aging, operative temperature: - 40 c 220 c having physical laziness, good air permeability we offer oem / odm, we can 3d design, produce according to your drawings application: 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, custom cold air intake for nonturbo car these silicone parts can be used in trucks, recreational vehicles, boats, or anything else with an engine specs: item number inner diameter(mm) inner diameter(inch) layer thickness(mm) leg length sh25 25 1" 3 4 76mm sh32 32 1 1/4" 3 4 76mm sh36 36 1 3/7" 3 4 76mm sh45 45 1 3/4" 4 5 76mm sh51 51 2" 4 5 76mm sh54 54 2 1/8" 4 5 76mm sh57 57 2 1/4" 4 5 76mm sh60 60 2 3/8" 4 5 76mm sh63 63 2 1/2" 4 5 76mm sh70 70 2 3/4" 4 5 76mm sh76 76 3" 4 5 76mm sh80 80 3 1/8" 4 5 76mm sh83 83 3 1/4" 4 5 76mm sh89 89 3 1/2" 4 5 76mm sh95 95 3 3/4" 4 5 76mm sh102 102 4" 4 5 76mm o overall showing c company information hiteck factory history.