Do the MY03 WRX's have grooved front rotors too?
#3
I read somewhere that the MY03's have a different part # for the brake pads (FWIW).
How do the grooves help brake performance? Increased surface area? We're not talking about slotted rotors here :-)
How do the grooves help brake performance? Increased surface area? We're not talking about slotted rotors here :-)
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