Itsu 3.50" To 4.00" Transition High Temp Rubber Coupler

Itsu Motorsports 3.50" to 4.00" High temp. rubber transition connecter / coupler for intercooler pipe connections & intakes. Black color.

These transition hoses allow you to adapt between two different sizes of pipes. Step up or step down from the intercooler, turbo inlets, compressor outlets, etc. All hose sizes are measured by inside diameter, 2" ID hose fits 2" OD tubing for example.