DBA 18-21 Subaru STi Rear T3 Slotted 4000 Series Rotor is the ultimate in direct replacement single piece performance brake rotors Featuring all the benefits of the 4000 Series plus DBA’s patented world renowned T 3 bi directional slot design.
 
Built on the foundations of DBA’s T 2 slot, the T 3 slot design features additional, precise, CNC machined tri symmetrical slots, resulting in an even quieter, more responsive and smoother brake pedal feel The T 3 slot increases the number of exit points for brake pad friction dust and gases to escape through, further increasing the consistency and effectiveness of every brake stop e recommend a T3 slot for high performance applications.
 
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