>> C << ETJ Boot Band (Small)/ETJ Boot Band (Large) Installation
WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Adjust the distance (A shown in the illustration) between the boot bands to the standard value to adjust the air volume inside the ETJ boot to the specified value, then be sure to tighten the ETJ boot band (large) and ETJ boot band (small).
Standard value (A): 80 ± 3 mm (3.14 ± 0.12 inches)