HPS 7/8" > 1-1/4" Silicone Reducer Coupler Hose features 4-ply reinforced high temperature material, for which meet or exceed SAEJ20 Standard. HPS 22mm > 32mm silicone reducer hoses are made of 4-ply reinforced and knitted premium polyester fabric with high temperature silicone rubber, engineered for extreme temperature and various pressure ranges where high performance levels are required. HPS 7/8" > 1-1/4" Silicone Reducer Hose provides a transition between two pipes with different sizes and is highly useful for transitioning between different sized intercooler, turbo, and intake components and piping. HPS 7/8" > 1-1/4" inch Silicon Reducer Coupling Hose is used by professionals in industries such as high performance racing vehicles, commercial truck and bus, Marine, agricultural and off highway vehicles, turbo diesel, food and beverage, and general manufacturing industries.