All exhaust pipes must exit straight up or down from the engine. Tie downs on the hood and trunk of car can be a combination of wire, chains, and bolts. No Ready Rod. You are allowed any combination of the above. Wires on the hood or trunk may be wired to the bumper only if they are out side of the bumper shocks.
Nothing can be in between the bumper shocks.
No extra reinforcement is allowed in front of the radiator. BUT must not be tightened. You may use a 3 or 4 point cage. The cage has to consist of a dash bar, a driver side bar and a bar right behind the front seats. Bars can't be any bigger than 2 inch square or 3 inch round pipe.