Degrading body parts

Hello, someone can help me, or give me tips on how to remove 1.4 Allgripp parts at Suzuki LY Year of manufacture 2019. Mainly, I’m concerned with the front and rear bumpers, as well as the wheel treads and fender linings. I want to use a cavity seal and underbody protection seal with FLUID FILM NAS on the car.Or tell me where to find a plan.