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Pontiac G8 mods

The US G8 GT.

Your G8

YearTransmission

Pick your year to see what fits.

This page covers the US G8 GT.

Engine 6.0L V8 (GT)

Stock ~361 hp

Weight ~3,900 lb

2008–2009

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Power

+8–12whp est. · More air

Medium$370–$3701 hr

Sound

+5–10whp est. · V8 sound

Hard$2,050–$2,0503 hrs

Handling

Lower and flatter

Hard$300–$3503–4 hrs

Brakes

Fresh pads

Medium$80–$1201 hr

Brakes

Fresh pads

Medium$100–$1501 hr

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HP numbers are wheel-horsepower estimates.