The FINANCIAL — Audi is taking TDI technology to a whole new level with the Audi Q7 V12 TDI quattro, the most powerful diesel-powered passenger vehicle in its class. The V12 engine under the hood ...

The new Power Scorcher Module from aFe is designed to alter the fuel pressure signal on your TDI engine at pre-determined points through the rev range.The result is it’s claimed to broaden the power ...