WIX XP Oil Filters – Extended Performance for Extreme Driving Conditions. Built for drivers who demand top-tier engine protection. Whether you're towing heavy loads, navigating mountainous terrain, or enduring long commutes, the WIX XP Oil Filter is engineered to perform under pressure. Its next-generation synthetic-blended media with natural fibers delivers exceptional filtration efficiency—eliminating the need for wire backing. A durable silicone anti-drainback valve ensures clean oil flow during startup, even in extreme temperatures. Backed by WIX’s legacy of innovation and quality, the XP Series is your go-to for high-performance filtration and extended service intervals.