DBA 04-17 Subaru STi Front T3 Slotted 4000 Series Rotor Featuring DBA’s Kangaroo Paw ventilation that implements a series of 144 diamond and teardrop patterned pillars, DBA achieves up to a 30% increase in surface area and 20% improvement in cooling efficiency (as compared to a traditional straight vane design).
 
4000 Series T 3 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. We recommend a T3 slot for high performance applications.
 
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