The GFB Respons is an adjustable atmospheric/diverter valve kit for the Nissan Silvia (S14/S15). 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.
Specifications
| Type | Adjustable atmospheric/diverter valve kit |
| Line | Respons TMS |
| Operation | Adjustable venting bias (atmospheric to recirculating) |
| Fitment | Nissan Silvia (S14/S15) |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1995-1998 | Nissan | 240SX | Base |
| 1997-1998 | Nissan | 240SX | LE |
| 1995-1998 | Nissan | 240SX | SE |
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