(Advance Auto) Use to be TRT41, but now you have to be a Speed Perks Member and its now TRT41R
Also if you go rent a $100 or more loaner tool and return it ( it cost nothing to rent but they do put a hold on your credit card while you have it). You get a $20 off of $50 dollar purchase or more and you can use it conjunction with the $40 off a $100 if it is more than $100.purchase.