Description

Unlock the beast within your mk8 gti. it's time to release the potential of your mk8 gti with no permanent mods , no compromise. Jb4 is a plug and play alternative to tuning. It can give up to 100hp gains should you want to add other mods but with the Jb4 alone you looking at about 30hp . It gives on the fly map switching on your phone. You can remove it anytime as it is 100% undetectable, so this will keep you warranty intact . You will be able to monitor boost , AFR , throttle and more right from you phone. You will also be able to scan and clear erros codes . I used it for 1 month but removed it as I sold my car . warranty included from burger motorsports. 5043 1055