iiv raced a 1 in my rs turbo im running around 250 ish bhp raced 1 standard one and raced it again remapped it keeps up but dont go past me nice cars though. mrc tuning had a rs4 or 6 whatever it was lol was an estate though in green theyv sold that to a lad n my area its running 650hp not fast in low gears but mid range it focks straight off well tuned by them and reliable id reccoment mrc for ur tuning side lol