#8035, "RE: Are PowerSlots even worth it? Or big brakes?" In response to In response to 12
I think you can directly use the big brake rear upgrade, but you WILL need extra parts not included to convert. But no, you don't need to convert to stock rotors first, since the big brake kit replaces that.
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2004 WRX - WR Blue Pearl 1997 Eclipse GS - Royal Sapphire Pearl