We have been working heavily with on a few projects recently. They had designed a twin-turbo kit for the right-hand drive E46 M3 and DOC Race stepped in to take care of the manifolds. We re-designed there existing prototypes to shoe-horn the twin GT2252 turbo’s in the limited engine bay of the RHD chassis. The first run of kits are underway and turned out pretty badass @ 500whp and unbelievable spool!
Including the twin turbo manifolds for the Horsepower Freaks kit we have designed a GT22 turbo outlet flange that adapts into stainless downpipes. We call them the DOC Race toilets….