I have an Esslinger UDP on my Zetec and have had no problems. It's probably the best HP for $$ I've spent. Some of the guys on our board www.focaljet.com also have the UDP with heavy duty sound systems and have not had any problems as well. Biggest complaint is the dash lights flicker at idle which is understandable as the alternator is being driven at lower RPMs at idle.

nishalp...it doesn't affect the RPMs of the engine, just the RPMs of the alt. pulley.

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'00 Dirt Kona Focus ZX3
Team FocalJet: NorCal
Mods-Superchips, FocusSport CoolFlo CAI, MBRPCatback Exhaust, JBA Header, Esslinger UDP, Eibach rear sway bar, Magnecor 8.5mm wires w/Autolite plugs, KKM'00 WRC wing


[This message has been edited by Hooked Again (edited January 27, 2001).]

'00 Dirt Kona Focus ZX3156 FWHP, 130 Max Tq.
Jackson Racing Supercharger, 65mm throttle body, JBA Header, catback exhaust, gutted cat, CAI, Eibach Pro Dampers w/Sportline springs and Eibach F&R swaybars
Team FocalJet: NorCal