Well getting the rotors to fit right for one cause they have a sensor ring on them, then getting the sensor mounted in JUST the right spot. Mounting all the pumps for the ABS, they take up allot of space... Im not an abs fan at all... just dont like it. It wouldnt really be wirth all the hassle. If you just want to stop better i can link you to a Corvette 12" brake upgrade that is a DIY jobby thats only about IF 200$ to do! It was done by another forum member.
Just my .02$
Peace
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"Raced That, Wrecked Better" ~In Memory Of Jesse Cesek~ 1980-2000
US Armored Cavalry - Fox 2/81 - Death By 120 - 1 Shot 1 Kill