Rules:

NO PURCHASE NECESSARY. VOID WHERE PROHIBITED. Please act before June 30, 2017. Limit one per household. While supplies last. Duplicate requests will be deleted. Offer available to US residents 18 & older. Engine cap compatible with 2009-2016 Dodge Charger, Challenger, and Chrysler 300 V6 and V8 applications. Allow 4-6 weeks for delivery. May not be combined with any other offer or applied to prior purchases. Not redeemable for cash, credit or gift card and no exchange, transfer or substitution permitted unless K&N, in its sole discretion, determines otherwise. Other restrictions may apply. K&N reserves the right to substitute any free item offered with an item of equal or greater value, and to change, modify or terminate this offer due to unauthorized or ineligible use of the offer, tampering, system errors or unforeseen problems. K&N’s Privacy Policy is available at http://www.knfilters.com/privacy.htm.