DeatschWerks Top Feed 850cc Injectors (02+ WRX, 07+ STi)

Item # 21S-01-0850-4






Prices are for a flow balanced set of 4 injectors

Each set is individually tested and flow balanced in-house to within a 1-2% variance. The results are included in your custom flow report that accompanies every set of DW injectors. Our flow report also includes additional set-specific data useful for tuning. DW WRX injectors also feature:

  • High Impedance coils to match OEM ECU
  • 100% drop-in fitment (no connectors or adapters required)
  • Excellent spray pattern and atomization for excellent idle and tuning
  • Technical assistance and tuning data available via phone or email
  • Optimized atomization and spray pattern o-rings
  • 12-month comprehensive warranty

PLUS you will receive up to a $200 rebate if you send them your OEM injectors.  A  rebate form is included with each order. There is no core charge.