Go Fast Bits T9002 Respons BOV for 89-06 Nissan Skyline GTS-T/GT-T

Vehicle Fitment

• 1985-1990 Nissan Skyline R31 GTS-Turbo (RB20DET, RWD)
• 1989-1993 Nissan Skyline R32 GTS-t (RB20DET, RWD)
• 1993-1998 Nissan Skyline R33 GTS-t (RB25DET, RWD)
• 1998-2006 Nissan Skyline R34 GT-T (RB25DET, RWD)
• 1990-1994 Mitsubishi Eclipse 1G (4G63T, turbo)
• 1990-1993 Mitsubishi Galant VR-4 E38A/E39A (4G63, AWD)
• 2005-on Mazda 6 MPS (GG, 2.3L MZR DISI Turbo, AWD)
• 2006-2009 Mazda 3 MPS (BK, 2.3L MZR DISI Turbo, FWD)
• 2009-2013 Mazda 3 MPS (BL, 2.3L MZR DISI Turbo, FWD)
• 2006-on Mazda CX-7 (2.3L MZR DISI Turbo)

Features

• Direct-fit Respons TMS blow-off valve with GFB's patented venting bias adjustment system
• Lets the user vary discharge from full recirculation to full atmosphere
• Adjustable blow-off sound level without fixed-ratio compromise
• Designed to help avoid stalling, backfiring, and related issues on sensitive airflow-metered systems
• Can return the engine to peak boost up to 30% faster than a factory diverter valve during gear changes
• Improves throttle response and boost recovery
• Offers unlimited boost-holding capability per manufacturer description
• Direct bolt-on design for listed applications with no vehicle modification required
• Machined aluminum construction for durability
• Suitable for Mazda, Mitsubishi, and Nissan turbo applications listed by GFB

Specifications

• Part Number: T9002
• Brand: Go Fast Bits
• Product Line: Respons TMS Direct Fit
• Product Type: Blow-off valve / diverter valve
• Valve Type: Combination / dual-outlet adjustable bias venting valve
• Mounting Style: OEM direct-fit
• Boost Range: 0-100 psi
• Material: Aluminum
• Color: Black
• Adjustable: Yes
• Aluminum Flange Included: Yes
• Steel Flange Included: No
• Fitment Position: Factory bypass valve location

Included Components

• 1x Go Fast Bits T9002 Respons TMS blow-off valve
• 1x Application-specific installation kit
• 1x Instruction manual

Product Description

The Go Fast Bits T9002 Respons TMS is a direct-fit blow-off valve designed for selected Mazda, Mitsubishi, and Nissan turbo applications. It uses GFB's patented venting bias adjustment system, which allows you to tune the valve from fully recirculated operation to full atmospheric venting, or anywhere in between. That gives you much more control over sound and drivability than a fixed dual-port valve, while also helping reduce the stalling and backfiring issues that can occur on sensitive MAF-based setups.

GFB also states that its TMS technology can restore peak boost up to 30% faster than a factory diverter valve during shifting, while improving throttle response and offering unlimited boost holding. This part is best suited to enthusiasts upgrading the factory bypass valve on the listed Skyline, Eclipse, Galant VR-4, Mazda 3 MPS, Mazda 6 MPS, and CX-7 turbo applications. This is not a lift or lowering product, so no front/rear height change applies. Fitment is confirmed from GFB and cross-validated with Summit Racing for the Nissan Skyline applications. For Mazda and Mitsubishi applications, fitment is listed by GFB; open-ended "05-on" and "06-on" coverage is manufacturer-listed, but 2025 model-year coverage is not fully confirmed by a second trusted source at time of listing.