You have to relocate the windshield washer resevoir from the driver's side over to the passenger side. that's the biggest pain in the @$$ of the whole installation. AEM give you a mounting bracket to mount it on the passenger side, and all the hoses & wiring to re-wire the windshield wipers to the fluid etc. You have to drill a new hole in the resevoir and they give you a plug to put in the old hole of it. Probably 2 1/2 hrs was spent relocating that damn resevoir. We tucked all the hosed and wires into the bumper though so that took a few extra minutes, because the instructions just have you tie-wrapping the hoses to the underside of the car, and I didn't want them exposed so we hid them.