One thing I forgot to mention: you'll need to change out the flasher units in the car to new, electronic units (plug and play) or the new LED lights will flash very, very fast... They don't pull enough current to make the old thermal ones work. Or, just put a resistor in line to add current.
http://www.ebay.com/itm/4-x-LED-Signal-Flasher-Fix-Load-Gold-Resistor-50W-6-OHM-High-Power-Gold-/370754060996?pt=Motors_Car_Truck_Parts_Accessories&hash=item5652aa02c4&vxp=mtr
I think I'm going to eliminate my backup lights, and put two more of these in the rear. Unique, but easy to change back to stock if I choose to.
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"Let them that don't want none have memories of not gettin' any."
- Brother Dave Gardner