Slotted Rotors are one time deal since you cannot have them resurfaced. Despite the claim, slotted rotors are not really as effective as blanks due to less braking surface. They are more for bling than anything else. :naughty: Although, I’ll give them credit for being very effective in dissipating heat when braking. :bigok:
If you want my opinion, keep your stock rotors, if still in good condition or get Brembo Blanks which are supposed to be better than stock. Try using performance break pads and performance brake fluid instead.