28. The completed installation was made even more dramatic thanks to a custom cool-air intake from Airaid. Dyno numbers don't lie, and the after data was impressive. Before figures came in at 309 hp and 328 lb-ft to the tires. With the TRD supercharger, the 5.7L put down 452 hp and 508 lb-ft of torque. That's an incredible 143 rwhp increase! The Tundra was making more than 400 lb-ft of torque from 2,700 rpm all the way to redline—it pulled like a freight train.