The GFB VTA T9416 replaces the factory electronic diverter valve with a vent to atmosphere blow-off valve, and the removable trumpet that screws onto the body sets the sound: fitted it gives a loud high pitch whistle, unscrewed it gives a mellower classic whoosh. An integrated low profile solenoid stacked over the valve, plus the supplied plug and play adaptor loom, keeps the factory ECU in charge of when the valve vents. Spring preload adjusts with a 5 mm hex key to change venting duration and sound at low boost; GFB suggests starting at the softest setting and winding in three full turns, and warns that too much preload can set a fault code because the ECU reads a firm valve as a stuck one. Precision CNC machined components, a durable elastomer piston seal and two o-rings mean boost pressure forces the piston shut, so the valve will not leak or blow open at any boost level. For quiet recirculating operation instead, the T9396 DV+ is the same platform without the atmospheric vent.
Specifications
| Type | Vent to atmosphere blow-off valve with integrated solenoid (GFB VTA) |
| Venting | Vent to atmosphere; retains factory ECU control through a plug and play adaptor loom |
| Sound | Removable screw-on trumpet; fitted for a loud high pitch whistle, removed for a mellower whoosh |
| Adjustment | Spring preload via 5 mm hex key; alters venting duration and sound at low boost only |
| Material | Precision CNC machined metal components, elastomer piston seal, 2 o-rings |
| Included | Valve with removable trumpet, 2 o-rings, plug and play adaptor loom, coarse thread screw set for plastic flanges (4 Nm), 6 mm metric screw set for metal flanges (6 to 8 Nm) |
| Quantity | 1 valve |
| Part Number | T9416 |
| Warranty | GFB Lifetime Warranty against defective materials and workmanship, original owner |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2018 | Alfa Romeo | MiTo | 1.4 MultiAir |
| 2010-2020 | Alfa Romeo | Giulietta | 1.4 TB MultiAir |
| 2016-2026 | Fiat | 124 Spider | Abarth |
Shipping
- Orders placed before 3 PM ET typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
