Pontiac GTO Performance Packages
Excelsior Motorsports takes the guesswork out of producing big horsepower. Our dyno proven combinations are all your GTO needs to develop the big power numbers you're looking for.
Pontiac GTO 2004-2006
Pontiac GTOs may be the Pontiac of yesterday, but we've been able to extract huge amounts of horsepower from the LS1 / LS2 engine family since they rolled off the assembly line.
Stage 1
- K&N Cold Air System
- Ported Throttle Body
- Cooler Thermostat
- Taylor Wires / NGK Plugs
- Baseline Dyno
- Custom Dyno Tune
Stage 2
- Long Tube Headers
- High Flow Cats / X Pipe
- K&N Cold Air System
- Ported Throttle Body
- Cooler Thermostat
- Taylor Wires / NGK Plugs
- Baseline Dyno
- Custom Dyno Tune
Stage 3
- Ported Stock Intake Manifold
- Long Tube Headers
- High Flow Cats / X Pipe
- K&N Cold Air System
- Ported Throttle Body
- Cooler Thermostat
- Taylor Wires / NGK Plugs
- Baseline Dyno
- Custom Dyno Tune
Stage 4
- CNC Ported Cylinder Heads
- Custom Ground Camshaft
- Roller Rocker Upgrade
- ARP Head Studs
- MLS Cylinder Head Gaskets
- Ported Stock Intake Manifold
- Long Tube Headers
- High Flow Cats / X Pipe
- K&N Cold Air System
- Ported Throttle Body
- Cooler Thermostat
- Taylor Wires / NGK Plugs
- Baseline Dyno
- Custom Dyno Tune
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