How many know what a focus is? Lol a joke. Okay I just got a car, 2006 Focus ZX4 2.0 L, after a year of not having one. It has a manual transmission and to me this being a major change from a 4.6 Mustang with full bolt-ons, heads, headers, gears, short shifter, pulleys, the works. As you can guess change being that no longer workds and broke down, so now to see what I can do to the 2.0 to give it more response through the shifts. My first ideas being K&N filter, and found that orielly auto parts says its an self maintain air filter???? Okay so what are the possibilities? I have seen headers and a turbo kit, but was wondering. What is most common that is a reliable brand and add in power? Any suggestions?
Possibilities are endless , dependant on your bank book or if DIY , your mechanical abilities .Over here we have numerous magazines dedicated to modifying that car and similar which are great for help and ideas .Sure there must be plenty available in the States which would help you to decide how far to go with the mods . Sticking on the K&N filter and chipping it would be an easy and quick start .Then you could decide later on the bigger stuff like headers , cams etc .
For the moment the car has 13X,XXX miles. There is not a real hp goal but more efficiency. The tune sounds pretty good. I was looking at steeda's website at lowering springs and strut bars. Their cai looks good. What stays in the back of my head is an article that I read that the plastic intake manifold that comes stock sometimes breaks and makes the motor knock. If to protect that, would there be a maker for a intake manifold?
If you decide to get a turbo, then yes, the intake manifold should be replaced, but if your staying N/A, then there should be no problem with that.
And again, there are tons of places that make intake manifolds, Cosworth is the best on the market as far as the Focus community is concerned. They also make a header for the Duratec that is said to be the best too.
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