After many months of R&D, Black Forest Industries, a company that specializes in Volkswagen/Audi aftermarket parts, developed an Mk3 1.8T Drop-In Conversion Kit ($799). The company’s test mule was a ...
The 1.8T is quiet, too, although when equipped with the optional six-speed automatic transmission, the powertrain can experience a low-frequency rumble when cruising in top gear under a light load at ...