DBA 4000 T3 Slotted Rotor for Subaru WRX/STi H Beam Rods Specs & Features:

Specs & Features:

The reason the S cover performs so much better is that they have a much larger diffuser area

6mm Compressor Wheel Exducer: 73mm Turbine Wheel Inducer: 60

(18-0025-03) 10μm Nominal Yes Pre or Post Pump Gasoline

so Forge Motorsport has developed a replacement with an increased diameter

DBA 4000 T3 Slotted Rotor for Subaru WRX/STi H Beam Rods Specs & Features:DBA 4000 Series T3, one piece, slotted rotor with black hat for Subaru WRX and STi models. Front and rear rotors are available. Recommended for high performance applications. Sold individually, price is for ONE rotor. Please confirm your model year and fitment in the purchase menu. Vehicle Fitment: Subaru WRX and STi Front or rear Sold individually, price is for ONE rotor Please adjust quantity as needed Model Year: Fitment: Part Numbers: STi 2004