COBB | AEM HIGH FLOW FUEL PUMP - Legacy GT / WRX / STI
CAD $259.95
The GFB Respons TMS (ref. T9003) is designed as a direct bolt-on blow-off valve for the Subaru Impreza WRX and WRX STi. GFB's patented TMS (Turbo Management System) venting bias adjustment gives you precise control from 100% recirculation (silent) to 100% atmosphere (full blow-off sound). Boost recovery is up to 30% faster than the factory diverter valve during gear changes, even on sensitive MAF-based systems. No modifications required — everything needed for a bolt-on install is included. Compatible with WRX 2002-2007 and WRX STi 2004-2021.
| Make | Model | Years | Engine | Notes |
|---|---|---|---|---|
| Subaru | Impreza WRX | 2002-2005 | H4 2.0L Turbo | – |
| Subaru | Impreza WRX | 2006-2007 | H4 2.5L Turbo | – |
| Subaru | Impreza WRX STi | 2004-2021 | H4 2.5L Turbo | – |