I've got a 2005 GT. I've installed HID headlights but now condensation keeps forming inside the headlight housing. I've replaced each housing once and it still keeps happening........and this is getting expensive. Suggestions or comments would be greatly appreciated.
or the lights in properly, just a thought. mite be the simpiest thing.
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Stock for now. Two GT take off muffler, connected to a GT H-pipe.Upgrade instrument cluster. Shorty antenna. GT rear bumper. GT side skirts. GT front and rear sway bars. So many GT parts, and still a V6 engine. Damn. 18 inch Deep Dish Black rims, with polish lip. 255 front, 275 rear, soon changed to 285.
Not sure which bulb you actually use with your 2005. My Foose used an H4 instead of the H13. With the H4 bulb, you have to use the large rubber boot that was part of the original bulb installation. It fits around the HID bulb and seals the bulb on the back side of the housing to prevent water intrusion.
I ran HID aftermarket on my last Foose and on my current one and have not had any problems with moisture.
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Victor
2007 Foose Stallion "The Prowler"
FRPP Polished Whipple SC - 8lb boost, FRPP Hot Rod Cams (M-6550-3V), FRPP Ceramic Coated Shorty Headers, FRPP Tuned Racing Suspension, FRPP Tuned Racing Exhaust, FRPP Axle Back, Steeda TriAx, Nexus Series - AFM, Vac/Boost, Fuel Pressure, Speed of Sound Dash Pod, Raptor Blue LED Shift Light. 425 RWHP 387 TQ
Take the headlights out, use a hairdryer to dry out the insides and let it sit out for a few hours. Then put back together with RV silicone at the seams and where any wires come out. Problem solved. And yes take your time, when I was doing it the back side of the silicone tube exploded, not good for me, as I had silicone all over my hands. BTW it does not come off with water. Water just makes it worse. I know that now, didn't then.
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2008 Dark Candy Red V6 Coupe, 18" SSE Wheels w/ Falken shoes,8" Shorty Antenna, SPEC Stage 1, Airraid CAI, 8.8 w/ 3.31, dual Vortech turbo exhaust, LED Projector Headlights, BBK shorty headers, SEIBON Carbon Fiber heat extractor hood, Sparco Hood Pins, Kenwood 7" touch screen nav/dvd, dos 8" rockford fosgate punch, SS window louvres, Midwest plenum cover, LED taillights, 93 race tune from bamachips, Personalized license plate "GOFASTR" (adds about 15 horses for the license plate) 220hp/232torq
2005 Mustang GT installed HID Headlights 
