GFB T9525 Deceptor II Pro Blow Off Valve Adjustable - VAG 1.8T 2.7T

SKU: GFBT9525
Regular price £390.00 incl. VAT

QT Parts is a Finnish online store.

Our warehouse is located in Nokia, Finland.

You can collect your order directly from us if needed. Simply select “Pickup” at checkout.

Pay securely with multiple payment methods, including invoice and installment plans through Klarna.

The delivery time for products in stock is 1-5 business days. We ship worldwide.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch. International orders may be subject to VAT, import duties, and customs fees upon arrival in the destination country.

Terms for product returns:

  • You must return the ordered products within 14 days of receiving
  • The products must be unused and without damages
  • Commission fee for handling returns is 21,90€
  • For product returns, the customer is in charge of the return costs. Only door to door service (Express)
  • Shipping costs are not refunded

For international orders sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

  • Suspension
  • Engine Tuning
  • Engine Parts
  • Exhaust Systems
  • Fueling
  • Turbochargers/superchargers
  • Drivetrain
  • ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

The GFB T9525 Deceptor II Pro is an adjustable blow-off valve for 1.8T and 2.7T turbocharged engines from the VAG group. The valve releases boost pressure when the throttle closes, reducing turbo load and improving boost control during gear changes.

The valve's operation can be adjusted, allowing the user to choose whether it functions as a fully atmospheric blow-off valve or a partially recirculating solution. This enables fine-tuning of sound and operation to suit driving style and intended use.

The mechanical design ensures quick response, and installation is direct, replacing the original valve without permanent modifications to the vehicle.

Features

Adjustable discharge method (atmospheric / partial recirculation)
Reduces turbo load during shifts
Improves boost pressure control
Clear and adjustable blow-off sound
Mechanical vacuum control
Bolt-on installation
No software changes required

Product Information

  • Adjustable blow-off valve

  • Mechanical design

  • Compatible with original mounting points

  • Direct installation in place of OEM valve

Compatibility:

Audi A3, S3, RS3    8L, 8L1: 1.8T
Audi A3, S3, RS3    8L1: S3 1.8T
Audi A3, S3, RS3    8P1: 1.8T (110 kW 150 PS)
Audi A4, S4, RS4    8D2, 8D5, B5: 1.8T / 2.7T (incl. S4 & RS4)
Audi A4, S4, RS4    8E2, 8E5, 8H7, 8HE, B6, B7: 1.8T
Audi A4, S4, RS4    8EC, 8ED, 8H7, 8HE, B6, B7: 1.8T
Audi A6, S6, RS6    4B, C5: 1.8T & 2.7T
Audi TT, TTS, TTRS    8N3, 8N9: 1.8T

Ford    Territory    SX, SY: Territory SY 4.0L turbo 06-11

Mazda    MX-5    NB: MX-5 Turbo BP-Z3 02-05

Seat    Alhambra    7V8, 7V9: 1.8T
Seat    Exeo    3R2, 3R5: 1.8T
Seat    Leon    1M1, Type1M: 1.8T
Seat    Ibiza    6K1, 6L, 6L1: 1.8T (incl. Cupra R)

Skoda    Superb I    3U4: 1.8T
Skoda    Octavia I    1U2, 1U5: 1.8T (incl. RS)

VW    New Beetle    1C1, 9C1: (erste Generation) 1.8T
VW    Bora    1J2, 1J6: 1.8T
VW    Golf 4    1J1, 1J5: 1.8T (incl. GTI)
Vw    Jetta    A4 Typ 1J: 1.8T
VW    Passat    3B2, 3B3, 3B5, 3B6, B5.5: 1.8T
VW    Polo    9N_: GTI (Typ 9N3)
VW    Sharan    7M6, 7M8, 7M9: 1.8T