Fiberglass products installation. Fiberglass product: Roof spoiler Audi A6 C6 4F 04-11 for saloon by ProTuning.lv™ For installation you need: Glue/Adhesive ( we recommend SIKA / SIKA FLEX527AT ) Scotch Tape A free pair of hands You must do a test fit with a non-painted fiberglass product : Prepare auto(suv and etc) surface for installation ( clean it, remove extra,…