Polish Black Shortram Air Intake+Heat Shield+Red Filter For Chevy/GMC V8 GMT900 Vehicle_GMC Sierra 1500 HD Classic HPS 1-5/8" - 2" (41mm

HPS 1-5/8" - 2" (41mm - 51mm) ID with 3" length high temp 4-ply reinforced silicone reducer coupler hose meet and exceeds SAEJ20 industry standards

They are smaller

Toyota 93-98 Supra MK4 2JZ Turbo Left Hand Drive HPS High Temp 3-ply Reinforced Silicone Radiator + Heater Hose Kit Black is designed to replace stock OEM rubber hoses which can eventually weaken over time

Recommend to use on HPS hoses with inside diameter range from 2" - 2-9/16" (51mm - 65mm)

Polish Black Shortram Air Intake+Heat Shield+Red Filter For Chevy/GMC V8 GMT900 Vehicle_GMC Sierra 1500 HD Classic HPS 1-5/8" - 2" (41mmShort Ram Intakes (SRIs) or similar Warm Air Intakes (WAIs) offer benefits over Cold Air Intakes (CAIs) which include better MPG due to a more complete burning of fuel. Users with forced induction engines often opt for short ram intakes because compressors adjacent to the engine, especially turbochargers, heat the incoming air and negate much of the benefits of a cold air intake. Moreover, SRIs are the intakes, which give bettter throttle response