Resonator #1 Removal

Courtesy of Keman

Remove the main intake resonator and put in it's place a 7.5" long 2.5 inch in diameter thin-walled flared-ended PVC pipe. It should look like this when your done:

As you can see, I put in a couple of high quality hose clamps, as the stock ones do not make a round closures and will distort the PVC at high tempuratures. This will increase the sound of the intake slightly, but will add a few horsepower. It's the first on a series of modifications I have done to the ZX2's engine, which seems very willing to take them. I painted it engine grey, and personally, I think it looks a hell of a lot better than the cheap plastic resonator shown below that comes stock. Inside of that piece of crap, there is a plastic grid jammed in place to help create a tunnel inside the square portion of it. I originally removed the entire setup not for horsepower, but to get rid of the rattling sound the white grid inside of it made! What the hell Ford was thinking when they put this in here, rather, what crack they were smoking, is something that remains a mystery to all of us.

Below is the stock resonator, inside of it is the white plastic "grid". The entire thing restric air and reduces intake pulse.

Of course, if you've gone this far into modifications, chances are you'd like to get even more power out of the Zetec I4 engine, and probably should continue on to the next mod...

-Keman