£377.57
72mm cold-air intake kit for Subaru Impreza WRX/STI, 2001–2007. ECU recalibration required.
Typical lead time: 1–3 working days, subject to supplier stock.
Description
72mm cold-air intake kit
Process West PWCAI05 replaces the factory intake on Subaru Impreza WRX and STI, 2001–2007, with a less restrictive intake path.
Features and contents
- 72mm MAF housing, compared with the standard 66mm housing.
- Lightweight CNC mandrel-bent aluminium intake tubing.
- Machined mount retaining the standard airflow meter.
- K&N high-flow filter positioned in the inner guard.
- Black powder-coated finish.
Fitment and calibration
For Subaru Impreza WRX/STI 2001–2007. ECU recalibration is required after fitting this 72mm MAF-housing kit.
Other intake option
The Process West PWCAI03 intake is listed separately for the same vehicle-year range. This listing supplies the 72mm PWCAI05 version.
Product code
PWCAI05.
Additional information
| Weight | 3 kg |
|---|---|
| Dimensions | 25 × 20 × 15 cm |






