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GrimmSpeed Stage 1 Power Package Red - 15-20 WRX

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Improve the performance in your vehicle with the Grimmspeed Stage 1 Power Package. The stage 1 Power Package consists of an upgraded Stealthbox Cold Air Intake system that replaces the factory restrictive unit, and allows the turbocharger to breathe better which increases horsepower, torque, and improves . . . Show More >




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