As the name suggests, the GFB Respons is designed specifically with the aim of improving throttle response and reducing turbo lag.

What’s TMS? GFB’s Turbo Management System is the term we apply to our diverter valves that have features designed specifically for the purpose of turbo lag reduction.

Tests show that TMS features can return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears.

On top of the TMS benefits, the Respons also packs GFB’s patented adjustable venting bias system found on the Stealth FX.

This unique system allows the amount of air vented to either recirc or atmosphere to be infinitely varied to change the venting sound like a stereo volume dial!

So if you want noise with your performance, the Respons can deliver! By fine-tuning the venting ratio, you CAN achieve a blow-off sound WITHOUT throwing a CEL, running rich, stalling, using more fuel or causing any other problems commonly associated with atmo-venting valves on cars with MAF sensors.

Available in a range of universal hose-mount or direct bolt-on configurations for many popular models.

Features

• Advanced TMS benefits
• Spring pre-load adjustment for max. response
• Available as universal or direct-fit kit
• Venting configurations:
  – Full progressive bias adjustment from recirc (silent) to atmosphere (loud)
  – Bias adjustment done manually via cap ring
  – C an be locked off in full recirc mode for legality purposes

Best choice for:

• Quick and easy venting bias adjustment
• A chieving noise on a car that is sensitive to atmosphere venting e.g. VAG applications

Application:

• 1987-1988 CHRYSLER CONQUEST No OEM Valve Custom Install Required
• 1986-1987 MAZDA 626 T OEM Valve Non-Replaceable Custom Install Required
• 1988-1992 MAZDA 626 T OEM Valve Non-Replaceable Custom Install Required
• 1988-1992 MAZDA MX-6 T OEM Valve Non-Replaceable Custom Install Required
• 1983-1989 MITSUBISHI STARION No OEM Valve Custom Install Required
• 1989-1993 NISSAN 180SX 1.8 No OEM Valve Custom Install Required
• 1991-1999 NISSAN 180SX 2.0
• 1990-1996 NISSAN 300ZX T 2 Required
• 1989-1993 NISSAN SILVIA
• NON-US VEHICLE SEE NOTES FOR FITMENT For 1983-1988 Mitsubishi Cordia AA-AC, 4G62 No OEM Valve Custom Install Required
• NON-US VEHICLE SEE NOTES FOR FITMENT For 1986-1988 Holden Commodore VL, RB30ET No OEM Valve Custom Install Required
• NON-US VEHICLE SEE NOTES FOR FITMENT For 1987-1992 Ford TX5 AT, F2 turbo OEM Valve Non-Replaceable Custom Install Required