I have a 68 mustang with an aftermarket 302. It has an "H-pipe" exhaust system that has the tailpipes come out in front of the rear wheels. It also has cut-outs that come out below the middle of the doors facing outward, like the rear pipes. Since I usually drive with my cut-outs open, would I be able to put an "afterburn" type flamethrower exhaust system in the cut outs? would it make flames come out all four exhaust exits? is that safe? what if i just want the flames out the cut outs?