Change your oil and change your hat! Now through 11/28 you can get a free Mobil 1 tactical hat with a Mobil 1 Racing patch when you purchase 5 quarts of Mobil 1 motor oil. Offer valid at Advance Auto Parts and Carquest Auto Parts stores. Thanks for sharing Michael! How to get free hat: Visit the companies website by clicking “Get This Offer (External Website)” Enter your receipt information by uploading an image and shipping information. You can also mail this request in instead here. Hit “Submit form” and wait for your free hat request to process! * US Only. Purchase required.