Gallery
2003 GMC Sierra
Supercharger: P-1SC
After RWHP: 396
BOOST: 8
Intercooler: 2 core
Fuel: 91
Modifications and Additional Specs:
Motor Specs: 5.3L engine Exhaust Specs: headers Other Mods: Trottle Spacer, Headers, exhaust
Supercharger: P-1SC
After RWHP: 396
BOOST: 8
Intercooler: 2 core
Fuel: 91
Modifications and Additional Specs:
Motor Specs: 5.3L engine Exhaust Specs: headers Other Mods: Trottle Spacer, Headers, exhaust