2004 Pontiac GTO AMP Amplifier OEM Fitment: 2004/Pontiac/GTO/Base Coupe 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::For a 2004 PONTIAC GTO amperes 2005/Pontiac/GTO/Base Coupe 2-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::For a 2005 PONTIAC GTO amperes 2006/Pontiac/GTO/Base Coupe 2-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::For a 2006 PONTIAC GTO amperes