Great for turbo application! TRE Stealth Black Air Filters 89mm, Small Universal air filter in black Universal, black, unobtrusive air filter Treadstone universal Hi-Flow air filters are constructed using ultra strong molded pliable rubber flanges which absorb vibration and allow for secure attachment via worm drive clamps. The inlet can be stretched up to 1,59mm or clamped down 3,17mm for use on in between sizes. Filter can be washed and reused, no need for oiling. Great for turbo application! Hight: 147 mm Diameter Top: 120 mm Diameter Bottom: 145 mm