Cuttin out inner fenders

Where do you guys cut out your inner fenders?? I'm gonna be bodydropped on 20s so it really all needs to go. How could i go about this and still be able to mount the fenders?? haha

Im plannin on doin something like this

i was thinkin bout doin that, cuz i like the look of tubular core supports. Thats fresh

That is super badass