27. Check out what a difference a Magnacharger and a tune did for us! Our power levels jumped to 375.9 hp and 358.3 lb-ft of torque. Doing the math, that equates to +137.7 hp and +92.3 lb-ft of torque. Those numbers represent the shot in the arm Lead Sled needed. Believe it or not, on the drive home, we got 20.4 mpg.