Spectre Universal Tube Elbow 4in. OD x 6in. Length / 90 Degree - Aluminum Engine Components>Engine Hardware USA size XL = Asian

USA size XL = Asian size 6XL

Read that figure again 543 test drivers

"RIGID introduces the world's most advanced Rear Facing Chase Light Bar

This eliminates lean spikes caused by trapped air between your fuel pressure regulator and the fuel solenoid

Haltech Fuel Level Sender Signal Conditioner

Spectre Universal Tube Elbow 4in. OD x 6in. Length / 90 Degree - Aluminum Engine Components>Engine Hardware USA size XL = AsianSpectre's 4 inch outside diameter 90 degree elbow is designed for custom air intake systems utilizing 4 inch tubing. Available with a polished aluminum finish, this tube can be welded or connected together to fabricate an intake system for almost any application.