looks like the cars on (the disappointingly lame) dirt course were running 15" wheels and gravel tires. probly also had harder brake pads on em, heh they squeek like the devil **%#@#%!!! are them thangs sqeeky. we run Ferodo DS 3000 pads on the LDR STI, they are ear-splittingly loud squeekers but boy do they haul down big heavy car on slippy stuff.