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blown engine focus st

  1. Focus ST Performance
    Hi all. I'm from Australia and have owned my car (2013 Ford Focus ST) from new. In relation to engine mods it had a steeda symposer delete blanking plate and a 2xs racing cai pipe. The other day whilst accelerating in 3rd (1/4-1/2 boost) approx 50mph a big plume of black smoke came out the...