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Originally Posted by Joeyy
I looked back and found a modification thread. Dean was listing everyones modifications. With his red WRX he had in STX, he listed a STX legal map. I checked with COBB and they have a STX legal map. I'll have to get a turbo back to run the map but then on to the brakes.
I think the rest of my wagon is STX legal exept for my current ECU map. So now I should be able to look into some bigger rotors and better calipers and run in SP with a ST prepared car.
On the only bad note, a bigger rotor may not fit my current wheel. Dean had to give them up do to brake size. Time to open up the check book again.
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Don't forget: bigger brakes at autocross will make you slower. It's not like the stock WRX brakes fade at autocross speeds if you've got the proper pads on 'em. The additional rotational initeria of the larger rotors and wheel means less acceleration.
Plus, you'll be losing massive amounts of torque with the STX map. IMO, a properly built ESP WRX will mop up a properly built STX WRX. Not to mention a properly build ESP WRX will have a 2.5L motor, which isn't even legal in STX (the 2.5L WRX is in STU w/ the STi).