Gallery
2014 GMC Sierra
Supercharger: D1X
After RWHP: 685
BOOST: 11
Transmission: 6L80E
Fuel: E85
Modifications and Additional Specs:
L83 5.3. ARH Catless long tube headers. BTR custom cam. PRC ported heads. Circle D converter. LT4 injectors LT4 high pressure fuel pump. 535lph in tank pump. New Era Performance Tuned
