will headers increase horse power on my 06 ford focus zx3 2.0L?
i already have a manga flow exhaust and a cold air intake, but i want to know if i should even buy headers. they
have some for my car but i don't know if it will really make a difference . could any engine wizz help me out?
Headers might give you just a little, very little more HP, mostly people install them for sound, and if you live in Calif, don't do it, and some other States
a header will give you more power than your catback....
i had a OBX header on mine and felt a huge difference! The stock header restricts airflow and hp, once i installed the OBX 4-1 race header my car actually pulled hard in 4th and 5th gear. I recommend it.
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