AVALANCHE
Year Engine Original Power Stage 1 Difference Vmax ECU
2007-2013 5.3L 310 Hp 335 ft·lb 330 Hp 360 ft·lb 20 Hp ✓* E38
2007-2013 6.0L 370 Hp 380 ft·lb 395 Hp 405 ft·lb 25 Hp ✓* E38

*Depends on the software version