Engine Intake Air Filter Connecting Aluminum Pipe $ 5.84 Product information: Model number: XH-UN020 Material quality: aluminum alloy Color: silver Weight: 100/115/135/140/150 grams Features High-performance socket design, convex design, improved connection. Made of high-quality and durable aluminum material Helps reduce engine inlet temperature Allows more horsepower at the same supercharging level, and provides more power at a higher supercharging level Total length size: 120mm (1mm) External dimensions: 51mm/2.0", 57mm/2.25", 63mm/2.5", 70mm/2.75", 76mm/3.0" (0.3mm) Thickness: 1.8mm (0.3mm Packing list: Aluminum tube x1