THIS AIR FILTER INSTALLS UNIVERSAL. AIR FILTER ADAPTER MIGHT BE REQUIRED! ADAPTER NOT INCLUDED. SKILL REQUIRED FOR INSTALLATION. STAGGERED FLANGE DIAMETERS: 2.36" / 2.75" / 3.15" - 60 / 70 / 80 mm * BODY DIAMETER: 4,72" - 105 mm * LENGTH: 7,08" - 180 mm * Generation IV filters are designed to dramatically reduce intake restriction allowing more air flow to your engine & to create perfect spiral air flow. The Special Design speeds up the incoming air charge in the intake. More & regulated air means more usable power & acceleration throughout the engine's RPM range. Twister concept was developed to improve low-range & mid-range power, torque & fuel efficiency. Add 2-12 HP to your power train & save up to 6 % fuel. Magnum Generation IV cold intake pays itself & lasts for a lifetime. * Improves engine performance by up to 4 %. * Increases economy by up to 6 %. * Enhances torque & acceleration smoothes out throttle response. * Lifetime duration * Noticeable improvement in acceleration throughout the RPM range. The air filter is a critical component of your engine. A properly maintained high performance air filter is essential to the life & output of the engine. Magnum CLEANABLE & REUSABLE high grade filter media reduces air restriction & increases engine output. Precision pleat geometry optimizes airflow throughout the intake system, thus, increasing horsepower. Design of Generation IV. Cold air intakes causes the incoming air to tumble for mixture's perfect atomization into the combustion chamber. Since the filtering media of Generation IV is made of a 4-layer cotton gauze substrate combined with a metallic mesh, this air filter is washable, reusable and will last for a lifetime if maintained properly. Magnum Tuning has been dealing with manufacture of upgrades since 1994. Magnum's experience warrants peak performance, reliability & perfect style. Magnum Intakes are made in Europe & covered by 10-YEAR WARRANTY.