1. 100% fit all cars and light trucks. 2. Quick seal intake/exhaust easily. 3. Reduce workload in a leak check. 4. Fits any shape of intake/exhaust:round,oval,square,rectangular and even severelly angled and hard to reach intake/exhaust systems. 5. Work with any brand of smoke machine or diagnostic leak detectors. *Note: This airbag is suitable for 4cm-10cm air inlet.
