Following on from the 1.8T big turbo selection guide, this article looks at companies that offer 1.8T big turbo kits...
mk4
Upgrading to K04 turbo on a 1.8T is common for the engines using a K03 turbo from the factory. But...
In this article I am going to look for optimum size of a MK4 1.8T Big Turbo. To find the...
