Introducing the Turbo-Guard AF - a high-quality air filter designed for 4" inch inlets with precision T3 T4 Turbonetics. This air filter is perfect for those who demand the best performance from their vehicle. Made with premium materials, the Turbo-Guard AF is built to last and deliver excellent results. This air filter is ideal for use in various vehicles, including cars and trucks. Its unique design and features make it stand out from other air filters in the market. With the Turbo-Guard AF, you can be sure that your engine will be protected from harmful particles and debris, ensuring your vehicle's optimal performance.