K&N X-Stream universal clamp-on air filters feature an innovative straight-through flow design that delivers maximum airflow for extreme performance applications. The RX-4870 offers FID 70 specifications and is constructed with K&N's precision-engineered cotton gauze filtration media. These versatile filters can be fitted to a broad range of applications and are fully washable and reusable for outstanding long-term value.

• X-Stream design allows straight-through airflow for maximum intake performance

• Premium cotton gauze filtration media delivers superior airflow and particulate capture

• Heavy-gauge epoxy-coated wire mesh offers robust support and long-term durability

• Pliable rubber flange creates a secure, airtight seal on intake tubes and stacks

• Versatile universal fitment – compatible with performance cars, bikes, and custom builds

• Washable and reusable with K&N's Recharger filter care kit

• Backed by K&N's No-Hassle Lifetime Limited Warranty