Blox Racing Plus Series Fully Adjustable Coilovers 15-21 Subaru WRX/STi (BXSS-00521) 300 Prevents boost leaks from torn

Prevents boost leaks from torn diaphragms and N80 valve issues

Impressive power gains of 22 HP and 31 ft/lbs of TQ

F30 and F87(N55)

Quantum Pro-GUARD 7 air filter by aFe Power is specifically designed for the Quantum Series cold air intake systems and feature an injection molded base and top for lighter weight and rigidity

Manufacturer Part Number: 827-577R

Blox Racing Plus Series Fully Adjustable Coilovers 15-21 Subaru WRX/STi (BXSS-00521) 300 Prevents boost leaks from tornThe BLOX Racing Plus Series Fully Adjustable Coilover system now offers ultimate performance and features 32 way damping adjustment for precise suspension tuning and versatility. The large range of adjustment offered by the Plus Series system allows you to maximize the full potential of your vehicle and further increases high speed stability and performance. The Plus Series system features a threaded mono tube body for ultimate adjustability to tailor