Turbo city ******

All i want to say i pay 6000 to repair my turbo when i got it with a second without even used it was dignosed with turbo failure we report and give them back they blame that the oil pipe must b changed i take the pipe for test it was functioning 100% than he ask me my engine oil i showd them but at the end the say warranty cancel bcz its our fault i buy brand new turbo and with the same pipe its working 100% all i want to tell u guys pls donot waste ur money these people are ****** and are unprofessional