IMPALA

Year Engine Original Power Stage 1 Difference Vmax ECU
2006 3.9L 241 Hp 242 Lb-Ft 256 Hp 265 Lb-Ft 15 hp ✓* E67
2007-2009 3.5L 211 Hp 214 Lb-Ft 225 Hp 230 Lb-Ft 14 hp ✓* E38
2007-2009 3.9L 233 Hp 240 Lb-Ft 248 Hp 263 Lb-Ft 15 hp ✓* E38
2007-2009 (SS) 5.3L 303 Hp 323 Lb-Ft 323 Hp 345 Lb-Ft 20 hp ✓* E67
2009 3.5L 211 Hp 214 Lb-Ft 225 Hp 230 Lb-Ft 14 hp ✓* E67
2010-2011 3.5L 211 Hp 216 Lb-Ft 225 Hp 230 Lb-Ft 14 hp ✓* E67
2010-2011 3.9L 230 Hp 235 Lb-Ft 245 Hp 255 Lb-Ft 15 hp ✓* E37
2012-2017 2.4L 182 Hp 172 Lb-Ft 194 Hp 190 Lb-Ft 12 hp ✓* E39 and E39A
2012-2017 2.5L 195 Hp 187 Lb-Ft 209 Hp 205 Lb-Ft 14 hp ✓* E39 and E39A
2012-2017 3.6L 305 Hp 264 Lb-Ft 325 Hp 290 Lb-Ft 20 hp ✓* E39 and E39A

*Depends on the software version