Universal 4" Air Filter

• All of our products come with all the necessary bolts and gaskets to make installation simple and straight forward.
• If you would like more information about which specific bolts and gaskets are included in your purchase, please don't hesitate to reach out to us, and we'll get back to you as soon as possible.

• If you're making a purchase on any Friday, Saturday, or Sunday, please keep in mind that your items will be shipped out on the following Monday.

• We provide a 60-day return policy; for detailed information, kindly refer to our return policy section.
• If you wish to cancel your order before it has been shipped, we charge a 5% restocking for purchases that have been made and have not yet been dispatched. 

• At RNJ Performance, we prioritize fast delivery. All products are shipped the next day, ensuring you receive your order as quickly as possible. Most orders are processed and dispatched from our main facility in Livingston, MT, while select shipments may be fulfilled from our California warehouse. For detailed information on our shipping process, please visit our Shipping Information page.

Before proceeding with your purchase, please carefully read and acknowledge the following:

1. Intended Use: This product is designed exclusively for vehicles intended for competition or race events on closed courses. Any use on public roads or vehicles not intended for competition is strictly prohibited by federal and state regulatory agencies.
2. Purchaser Acknowledgment: By proceeding with this purchase, you acknowledge the following:
• You intend to install this product on a vehicle designed for competition or race use ONLY on a closed course.
• You have reviewed and confirmed your local laws, ordinances, and regulations regarding compliance with EPA (Environmental Protection Agency) and CARB (California Air Resources Board) guidelines, which clearly state that altering or modifying a motor vehicle pollution control system without an EO # (Executive Order Number) is illegal.
3. Legal Consequences: Installation of non-CARB approved parts on a pollution-controlled vehicle in California and cooperating states may result in actions by the DMV, such as revoking vehicle registration and failing smog inspections. Law enforcement may cite you for using illegal aftermarket parts, and your title and license plate may be seized.
4. Federal Clean Air Act: WARNING - FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. THE SALE, USE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))
5. Product Claims: RNJ Performance does not make claims or representations about parts that lack CARB certification with an Executive Order, and it does not claim or represent parts as legal for use on public roadways. This product is designed for use in competition on closed courses and is labeled as “RACE USE ONLY.”

By proceeding with your purchase, you understand and acknowledge the terms and conditions outlined above. RNJ Performance and its distribution chain are not responsible for your independent decision to install or use this product. Please ensure that you comply with all applicable laws and regulations in your area.