I just got my refurbished brushguard for my Classic. Does anybody have any input on mounting? I just put a brand new air dam on the truck and want to make sure I cut it right. Any ideas on how to cut the air dam and how to make sure it lines up correctly. Should I remove the air dam, install the brush guard, then put the air dam back on? Or is it best to leave the air dam on the truck the entire time? Any input or tips on that would be much appreciated. Thanks.