Very simple, nylon fishing line or dental floss. No need for a heat gun. In fact I wouldn't even consider it. Heat might warp the side scoop or damage the paint. It'll take you less than 5 minutes a side, I'd like to have the original ones, shoot me a private message.
2014 GT / Ruby Red / MT82 / 3.73 / RR Sensing & Security
Mods: GT500 Axlebacks, Modest Pin Stripe, Side Scoops, Wheel Spinners, Lower Fog Lights, Strut Tower Brace, Chrome Shift Knob