Cobb Stage 1 Power Package w/ v3 - Subaru WRX 2002-2005 Rebuild Kit 7L 2021 Dual 4" Polished

7L 2021 Dual 4" Polished Tips w/ COBB Logo

The plenum volume and runner length combination has been selected for aggressive low and mid range torque while opening up power higher in the rev range

the OEM unit is easily overwhelmed and can not keep up with the cooling demands of a tune running more than OEM boost levels

Also note that removal of the bumper is not required for installation

Cobb Stage 1 Power Package w/ v3 - Subaru WRX 2002-2005 Rebuild Kit 7L 2021 Dual 4" PolishedEMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number: D 660 17 D 660 42 DESCRIPTION The Stage 1 Power Pack includes: COBB Accessport v3 High Flow Filter increased power and fuel economy WHY? Combining the world's best selling, most flexible ECU