If you install switchbacks in your headlight housings there is no way you will be able to see at night. I have clear turn signal housings with switchbacks and although they look cool they don't throw enough light to see where you are going. I installed HID Projector Housings and run a 6000K HID Setup.
If you check my previous posts I have videos of my switchbacks and HID's.
2007 Torch Red Mustang GT, Parchment Leather, Saleen Supercharger, SCT X-Cal Programmer,brenspeed.com tunes, Tuned by X-Act Dyno (Tempe, Az) 425rwhp, 4:10 Gears, Axel-back MAC exhaust, Dashhawk OBD-II Computer Monitoring System, Sequential Tail Lights, Halo Driving Lights, Eagle Eye Headlights with 6000K HID's, Clear Turn Signal Lenses, Projector Switchback Bulbs, Painted White LeMans Style Stripes, CDC Aggressive chin spoiler, Billet hood pins, Pirelli P-Zero P255 40 ZR19 wheels mounted on 2014 Mustang GT Wheels