Not a good comparison at all. GMKILA is a methanol car running 5000cc injectors. If you think that an XR6 doesn't need an intercooler, then pull yours off and pull the engine out, because by the time you finish reading this sentence after the first boot, the pistons will be in the sump. Not taking anything away from Simon, but there are many other accomplished tuners and companies in this country who have achieved big things on a global scale, not just nationally.