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  1. 3.0 V6 'Duratec' Petrol Engines
    Hello all, I was just changing the air filter when I noticed a pipe that had came lose. I had to take the bottom of the air intake box out the try and see where it was meant to plug in but couldn't see anything, one end goes from the rubber tube just behind the mass air meter but have no idea...
  2. Focus ST / RS General Discussion
    Hi there Forum, OK some questions, I have a Toyo Performance Manifold (4 into 1), with a cat back pipe, connected to this will be a Janspeed performance exhaust. Now, should I fit the Cat Back pipe or the box, which will give me better torque? Trying to sort which is best for a high flow cold...
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