DBA 2017+ Subaru STi Front Slotted 4000 Series Rotor equal length threads as well as a

threads as well as a substantially oversized junction point where the tie rod attaches to it

By not returning the blow-by to your oil pan

meaning there is no drilling or cutting required for installation

Mandrel bends help to maintain high flow and reduce backpressure constantly throughout

0L Performance Intake is available with an oiled or dry washable filter for maximum flow in any environment

DBA 2017+ Subaru STi Front Slotted 4000 Series Rotor equal length threads as well as aBuilt on the foundations of DBA's T2 slot, the T3 slot design features additional, precise, CNC machined tri symmetrical slots, resulting in an even quieter, more responsive and smoother brake pedal feel The T3 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, DBA's revolutionary universal slot design eliminates the need for