brand new and high quality Features: The booster pump is used to supercharge the secondary air from the intake manifold to increase the volume and filling efficiency to supplement the air mixture ratio of the engine combustion chamber for more complete combustion. The engine adopts the natural air intake mode. Turbofan fuel economizer is installed in the air filter intake and exhaust pipes to increase the intake and exhaust volume and make fuel combustion more full. The filter screen is made of stainless steel, which is not easy to rust, has a good filtering effect and the air is more pure. The design of power booster pump and turbofan fuel economizer improves power and saves fuel. Specifications: Materials: stainless steel + metal Size: app.14x5.2cm/5.51x2.05in Optional Colors: Silver-Gray, Black Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Booster Pump 3 x Stainless steel pipe clamps 1 x Pump clamp + 1 x screw 1 x Vacuum tube 1 x Cable tie 8 x T-type adapter 1 x Manual(other accessories demo in the picture is not included.)