The replacement of the intake pipe improved the car's performance. Straight General Silicone Coolant Intercooler Pipe Tube Hose ID 6.5mm 8mm 10mm 11mm 13mm 16mm 19mm 22mm 25mm 30mm 1 Meter Length If the intake hose is clogged or damaged, it will be difficult for the vehicle to achieve the proper air-fuel ratio for proper engine power, efficiency and emissions, please replace it in time. The new air intake pipes clean and filtered fresh air from outside the car to inside the car engine where it is mixed with fuel and burned. Replacing a damaged or leaking intake hose is crucial to ensuring the engine receives sufficient air, thereby guaranteeing proper ignition., Manufacturer: Jjwdl