Every Firehawk begins life as a Pontiac G8 GT. When Firehawk production begins on April 1, 2009, G8 GTs are shipped to SLP's Toms River, NJ facility where they will be converted into Supercharged ...

Now, technically, it's not the most powerful Pontiac ever, as that title belongs to the G8 SLP Firehawk; a super-sedan that boasted a 500-horsepower supercharged V8. The GXP definitely is ...