Power up with a FREE 16oz Blak Max Energy available exclusively at Murphy USA!
Try a 16oz Blak Max Energy or Blak Max Energy Zero Calorie on us with this FREE coupon! This energy drink is only available at Murphy USA and Murphy Express sites. Enjoy your FREE drink and don't forget to play our Blak Max game on FB everyday for your chance to win some sweet prizes. Coupon expires 8/31/14. Blak Max game goes thru 9/30/14. You may receive 1 follow-up email from Murphy USA.