DBA 2001 Subaru Impreza WRX STI 10 Stud Hole Rear Slotted 4000 Series Uni-Directional Rotor Exhaust The Stage 4 system includes

The Stage 4 system includes vehicle-specific tuned 2

You can also use these on the front and rear axles on Temsa Buses to change camber or caster angles

oil vapors and particulates from the airpath

Thanks to improved LED technology

and the included engine cover spacers let you keep your extra cooling hidden for a stealth approach

DBA 2001 Subaru Impreza WRX STI 10 Stud Hole Rear Slotted 4000 Series Uni-Directional Rotor Exhaust The Stage 4 system includesDBA'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