Sinister Diesel Universal Replacement Dry Media Disposable Air Filter (4" Inner Diameter)

Whether you need to replace a damaged filter on your Sinister Diesel Cold Air Intake or if you're making your own air intake, Sinister Diesel has you covered! Coming in at 10" tall and a 4" Inner Diameter and high flow filter, the Sinister Diesel Universal Replacement Filter can support huge air flow to meet any needs. We utilize an 8-layer cleanable cotton filter media for maximum air flow and a long life.

• 8-Layer Replacement Dry Media Disposable Filter, No oiling needed
• 10-Inch Tall Air Filter with 4-Inch Inner Diameter Silicone Inlet for Universal Diesel & Gas Intake Systems
• Features a Honey-comb Filter-guard that's finished in Sinister Blue
• High-Performance Airflow – Engineered with a large 4-inch inner diameter to maximize airflow and improve engine efficiency, delivering better throttle response and overall performance.
• Universal 4" Fitment – Designed to work with most 4-inch intake systems, making it a versatile replacement option for a wide range of diesel and gas performance applications.
• Trusted Sinister Diesel Quality – Backed by Sinister Diesel’s reputation for premium aftermarket parts, this air filter is built for reliability, performance, and long-lasting durability.