Pontiac G8 GT with 557 bhp by APS

APS, the specialist tuning house with over 25 years of turbo tuning, has turned a Pontiac G8 into something of a Pontiac GR8 (or great). Realizing some potential in the 6.0-litre V8 used in the G8, APS then got to grips with it by installing an intercooled twin turbo system, which is cleverly mounted under the chassis so heat moves away from the engine. Clever yes, if you live in a town with no