6 Years flies by in a whim. Although were were already working on Roadsters prior to the turn of the decade and early Signature Model S' in 2012, T Sportline was officially founded on April 25, 2013. We are thankful to all the customers and partners who have helped us get to where we are today. Enjoy Free Shipping and a Free Gift on us! Offer Terms & Conditions Online orders only. Excludes Model 3 Lowering Springs, Pre Orders and Wholesale Orders. Free Shipping for customers within US and Canada. Free Shipping ends Friday, April 26, 2019 12:00 am.