absolut scam of a company, recieved a turbo, bolted it on to a marine engine, once on the first sea trial the turbo was making a loud squeeling noise above 1800rpm. sent back and they wont warranty because of " user error " claiming i had the housing " cocked". it was not " cocked " ever i made 100% sure plus it would be very difficult to do that on a brand new turbo where all comnections are new and good. very displeased with the warranty read more