GFB VTA Blow-Off Valve for the 2021+ Ford Bronco and 2024+ Ranger
GFB part T9484: a direct bolt-on blow-off valve that gives your EcoBoost an aggressive blow-off sound with better throttle response and boost holding.
Sound With Your Performance
If you want sound with your performance (or performance with your sound), the VTA delivers. It combines atmosphere venting with the proven benefits of GFB's DV+, so you get an aggressive blow-off sound, improved throttle response, and superior boost holding and reliability.
The low-profile integrated solenoid and compact design keep the install simple: swap out the factory diverter valve with the VTA and you are good to go.
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Reliable Boost Holding
The factory electronic diverter uses plastic valve parts that do not seal well, especially when mounted on plastic piping. A leak makes the ECU drive the turbo harder to compensate, which means higher turbo speed and hotter charge air for less power.
The VTA replaces that plastic valve with precision CNC machined metal components and a durable elastomer piston seal built into the body, so it seals even on uneven plastic factory seats and holds pressure up to 50 psi.
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Sharper Throttle Response, Faster Boost Recovery
Factory electronic diverters are binary: fully open or fully shut. GFB's patented pilot actuation lets the VTA piston open and close progressively, so it vents only as much air as needed to stop the pressure spike that causes compressor surge.
When the pressure has dropped, the piston starts closing to keep a little boost in the intercooler piping, which helps the turbo get back to peak boost faster when you get back on the throttle.
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Direct Bolt-On Install
The T9484 is a direct bolt-on for Ford EcoBoost vehicles that have an electronic OEM diverter/bypass valve. On most of these trucks the factory diverter sits high in the engine bay on the plastic intercooler piping.
It is supplied with a plug-and-play adaptor loom and two sets of screws, so it fits whether your factory mount is plastic or has metal threaded inserts. Full steps are below.
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Everything You Need in the Box
Each VTA ships with the wiring adaptor and the mounting screws shown here, so there is nothing extra to hunt down. Periodic maintenance or re-lubrication is not required.
The slot on top of the valve is an assembly feature only. It is not for adjustment, and turning it can damage the valve.
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Installation Steps
- Remove the electrical connector from the factory diverter valve: slide the grey locking tab out, then push it down to unclip the connector.
- Remove the 3 mounting screws. Depending on the vehicle you may need a 5mm hex key, an E5 Torx socket, or a regular hex socket.
- Lift the factory diverter valve out of the engine.
- Make sure the two O-rings are installed in the VTA.
- Pick the right screws. Where you screw directly into plastic, use the supplied coarse-threaded screws and tighten to 4 Nm (3 lbf-ft), taking care not to strip the thread. Where the mount has metal threaded inserts, use the supplied fine-pitch screws (5mm hex key) and tighten to 6-8 Nm (4.4-6 lbf-ft).
- Position the VTA on the engine. The bolt pattern is not symmetrical, so orient the body until all three screw holes line up. The connector can be rotated by hand afterward.
- Tighten all 3 screws, then connect the VTA to the vehicle wiring with the supplied plug-and-play adaptor loom. Route and secure the loom away from abrasion, heat and vibration.
What to Expect From Your VTA
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Venting timing: you may hear it vent at odd times. The ECU decides this, usually when the throttle closes faster than a set rate, and it is not a fault.
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Oily residue: a little oil around the atmosphere outlet is normal. It is oil vapor from the PCV system recirculated through the turbo intake.
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Professional install: GFB recommends that only qualified engine technicians fit this product.
This Part Fits
| Year |
Model |
Trims |
| 2021-2024 |
Ford Bronco |
Base, Big Bend, Black Diamond, Outer Banks, Badlands, Wildtrak |
| 2022-2024 |
Ford Bronco |
Everglades, Raptor |
| 2021 |
Ford Bronco |
First Edition |
| 2023-2024 |
Ford Bronco |
Heritage Edition, Heritage Limited Edition |
| 2024+ |
Ford Ranger |
2.3L EcoBoost, and 3.0L Ranger Raptor |
| 2019-2023 |
Ford Ranger |
XL, XLT, Lariat |
| 2016-2023 |
Ford Explorer |
Base, XLT, Limited |
| 2020-2023 |
Ford Explorer |
ST, Platinum |
| 2021-2023 |
Ford Explorer |
Timberline, King Ranch |
| 2022-2023 |
Ford Explorer |
ST-Line |
| 2022-2023 |
Ford Maverick |
XL, XLT, Lariat |
| 2015-2023 |
Ford Mustang |
EcoBoost, EcoBoost Premium |
| 2014-2019 |
Ford Fiesta |
ST |
GFB part number T9484. Fits Ford EcoBoost vehicles with an electronic factory diverter/bypass valve, including the Bronco 2.3L, 2.7L and 3.0L EcoBoost. Not sure it matches your vehicle? Email info@stickerfab.com with your year, model and engine before ordering.
Complete the Build
FAQ
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Which Broncos does this fit?
It fits the 2021+ Ford Bronco (2.3L, 2.7L, and the 3.0L Bronco Raptor) and the 2024+ Ford Ranger (2.3L, and the 3.0L Ranger Raptor), plus the other Ford EcoBoost models listed above.
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Is it a direct bolt-on?
Yes. It replaces the factory electronic diverter valve and connects with the supplied plug-and-play adaptor loom. No cutting or splicing.
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How loud is it?
It vents to atmosphere, so you get the signature blow-off sound when you lift off the throttle. It also improves throttle response and boost holding.
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Why not a cheap BOV spacer?
A BOV spacer only redirects vented air. The VTA replaces the plastic factory valve with a CNC machined metal valve that seals better and responds more progressively.
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Why does it vent at odd times?
The ECU decides when to fire the solenoid, usually when the throttle closes faster than a set rate. That is normal and not a fault.
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Is there oil around the outlet?
A little oil residue is normal. It is oil vapor that the PCV system recirculates through the turbo intake.
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Does it need maintenance?
No. GFB says periodic maintenance or re-lubrication is not required, and the valve carries a GFB lifetime warranty for the original owner.
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What is the return policy?
See our refund policy or email info@stickerfab.com before you order.
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