GrimmSpeed StealthBox Intake Red WRX (2015-2017) Acura - 38% throw reduction

- 38% throw reduction

and matched with a unique clutch cover which provides a factory clutch pedal feel

G37 Sedan Piping Diameter: 50-60mm

remove stock pulley using the ALTA Version 2

Reduce take off and driveline shudder under heavy loads

GrimmSpeed StealthBox Intake Red WRX (2015-2017) Acura - 38% throw reductionGrimmSpeed'snew StealthBox Intake System for the 2015+ Subaru WRX has been released. Of course performance is the highest priority, but at GrimmSpeed so much more than that goes into a product. GrimmSpeed had a goal of designing an intake that not only looked at home in the well sported 2015+ WRX engine bay but also performed well. Features: +32wtq (14. 3%) and +21whp (9. 6%) Designed in CAD Perfect mating with the factory turbo and ram air scoop Low