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VAG JB4

  • Sale
  • £409.00
  • Regular price £429.00


JB4 VW for EA888 Gen3 MQB 1.8T, 2.0T for 210hp, 220hp, 230hp, 280hp, 300hp and 310bhp. 

Power Gains: 50bhp and 88ftlb with 4.75psi boost increase over stock. (higher boost is available using optional USB DATA cable). 

Suitable for:

• 2014 and up VW MK7 Golf 1.8T
• 2014 and up VW MK7 Golf GTI 2.0T & Performance Pack
• 2014 and up VW Golf R 2.0T (300 and 310bhp versions) 
• 2013 and up Audi A3 8V 1.8TFSI
• 2013 and up Audi A3 8V 2.0TFSI
• 2015 and up Audi S1 2.0TFSI
• 2013 and up Audi S3 8V 2.0TFSI
• 2015 and up Audi TT 8S
• 2015 and up Seat Leon Cupra 2.0T
• 2015 and up Skoda Octavia vRS
• 2015 and up VW Polo 1.8t

• VW Polo 6C GTI
• Audi A3 8V 1.8T FSI Non-US
• Skoda Octavia 1.8T FSI
• Audi A1 1.8TFSI
• Seat Leon SC FR 1.8TSI
• Seat Ibiza Cupra 1.8TSI

*Includes facelift models

JB4 Beta:

The JB4 is a true user adjustable plug and play solution for all MQB based models in the VW Audi Group range. Power Gains: Starting at 45bhp and 45ft lb with 91 octane/95Ron with + 4.50psi boost over stock on the default setting. Up to 100bhp and 70ft-lb with bolt on modifications, higher octane and boost adjustment with the optional BMS Data Cable.

The JB4 BETA features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more.

The unit can be used with our JB4 Bluetooth Connect kit providing for full in car engine parameter display, map switching and adjustment The JB4 Beta can also be stacked over a flash tuning allowing for fine tuning as well as meth control with safety measures in place and full logging.


This product covers ALL groups of JB4 products, please let us know which car you intend to install it on and we will supply the correct unit. Our USB data cable or Bluetooth module is highly recommended.