At participating locations, Pep Boys offers its Conventional Oil Change Service for $17.99, its Synthetic Oil Change Service for $44.99, or its High Mileage Oil Service for $49.99 via this printable coupon. That's $14, $25, and $10 off these services, respectively. Each includes up to five quarts of oil, filter, and a courtesy vehicle inspection. Click here to find a location near you. Deal ends January 8.