I totally second this. I started off doing EBC and Galfer pads up front and did the SS Speigler lines. Also adjustable levers moved them out as far as I could, and bleed the crap out of the system, I am a huge fan of one finger super stiff lever.For track use you really need an aftermarket rotor, better pads, and braided lines for the N400. Bare minimum, an aftermarket rotor.
It was better at the track and on the street for sure, but it was not until I upgraded to the Brembo supersport rotor that it was night and day; and my OE rotor was not warped at all or had any major wear or discoloration from what I could tell.