The GFB Respons is an adjustable atmospheric/diverter valve kit for the Mitsubishi Lancer Evolution 1-10. A patented venting-bias adjustment lets you dial in blow-off sound without the backfiring or stalling that fixed-ratio atmospheric valves can cause. It uses GFB's TMS technology for rapid boost recovery and sharp throttle response.
| Type | Adjustable atmospheric/diverter valve kit |
| Line | Respons TMS |
| Operation | Adjustable venting bias (atmospheric to recirculating) |
| Fitment | Mitsubishi Lancer Evolution 1-10 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1996 | Dodge | Stealth | R/T Turbo |
| 1995-1998 | Eagle | Talon | TSi |
| 1995-1996 | Mitsubishi | 3000GT | Spyder VR-4 |
| 1991-1999 | Mitsubishi | 3000GT | VR-4 |
| 1995-1999 | Mitsubishi | Eclipse | GST |
| 1995-1999 | Mitsubishi | Eclipse | GSX |
| 1996-1999 | Mitsubishi | Eclipse | Spyder GST |
| 2003-2006 | Mitsubishi | Lancer | Evolution |
| 2015 | Mitsubishi | Lancer | Evolution Final Edition |
| 2008,2010-2015 | Mitsubishi | Lancer | Evolution GSR |
| 2005-2006,2008,2010-2015 | Mitsubishi | Lancer | Evolution MR |
| 2010-2011 | Mitsubishi | Lancer | Evolution MR Touring |
| 2005-2006 | Mitsubishi | Lancer | Evolution RS |
| 2006,2010 | Mitsubishi | Lancer | Evolution SE |
| 2009-2015 | Mitsubishi | Lancer | Ralliart |
| 2010-2011 | Mitsubishi | Lancer | Ralliart Sportback |
| 2010-2012 | Subaru | Legacy | 2.5GT |
