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You are probably thinking of getting those cross-drilled rotors. Well, you're on the good track cause if your OEM rotors fail from usage or if they warp, you will have to spend about $140 for the new ones from the dealer.
The cross drilled rotors are about $5 more than the OEM ones so why not go for them. KVR is the company that makes those rotors for our cars and if you're a TCCoA member, you get discounts on it.

KVR rotors are made of a higher quality steel then the Ford rotors are. The increased cooling effect that cross drilling has on a rotor makes them very resistant to warping. The dual piston caliper with its greater clamping force and larger brake pads can actually put less heat into a rotor. This is due to its ability to slow the car down more efficiently.

If you replace your stock 11.5" stock rotors with KVR 11.5" C/D rotors and KVR pads I am sure they will serve you very well. If you desire more braking performance than that system can offer while staying with 16" wheels I would highly recommend the dual piston 10.8" system.

Here are some numbers in brake testing from 100mph to 40mph w/o factoring wheels and tires:

Stock 10.8" system with single piston calipers = X

Stock 11.6" system with single piston calipers = X+ approx 3% (due to the heat factor)

Dual piston PBR calipers with stock 10.8" rotors = X+ approx 22%

Dual piston PBR calipers with 13" rotors = X+ approx 28%

Four piston AP Racing calipers with 13" rotors = X+ approx 40%

Note: The above numbers are based on the calipers working clamping force, Pad cross sectional area and rotor factors as well as other factors. Pad material for the above comparisons would be of the same compound.

Lately, AP Racing came out with a 4 piston system whick is priced on the high side because AP products designed for track use. This kit will retail to members for $1350.00. That is a bolt on system but the brackets and lines have to be custom made.
 
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