HOW IT WORKS:
Step 1: Entering the URL activated the offer and sent you here. You should see the offer at the bottom of every webpage once it has been enabled.
Step 2: Now you are ready to find the right replacement air filter for your vehicle by using the K&N Year, Make, Model, Engine search. Eligible air filters are labeled as "Air Filter" in the product search results.
Step 3: All you need to do is add a replacement air filter to your cart and the free Hat will be added to your order automatically.
Offer details: Free hat offer is available to podcast listeners that activate the offer by visiting knfilters.com/podcast then purchase a minimum of a replacment air filter on KNFilters.com. Limit one free hat per address. Most stock replacement air filter part numbers begin with 33, AC, AL, AT, BM, DU, E, HA, HD, KA, SU, CD, CM, GG, PL, SU, TB, KT, VF and YA. Clamp-on cone and other universal air filter parts are not eligible for this offer. K&N reserves the right to substitute a different promotional item if the K&N Hat becomes out of stock.