DBA 98-06 WRX Upgrade to STi Calipers w/ Standard 170mm Handbrake Rear Slotted 4000 Series Rotor 2003-subaru-legacy-l K&N cabin air filters help

K&N cabin air filters help control odors while they help capture most mold

Pocket porting removes excess OEM casting flash and the material underneath the valves

The IAG 1000+ Long Block features our Stage 4 Extreme Closed Deck Short Block that utilizes a brand new EJ25 Subaru case that is converted to closed deck and is bored and honed to 99

CNC porting is not only an efficient way of machining the heads and offers consistent port results every time

DBA 98-06 WRX Upgrade to STi Calipers w/ Standard 170mm Handbrake Rear Slotted 4000 Series Rotor 2003-subaru-legacy-l K&N cabin air filters helpDBA 98 06 WRX Upgrade to STi Calipers w Standard 170mm Handbrake Rear Slotted 4000 Series Rotor DBA's 4000 Series T3 rotors feature our best technology and materials for maximum performance. High carbon & heat treated iron, patented Kangaroo Paw ventilation and Tri symmetrical slotting makes for the perfect direct replacement rotor