How does the D3 Pro stack up against the big names?
This is where the D3 Pro Tuner truly becomes a weapon. The modern Duramax is choked by DEF (Diesel Exhaust Fluid) and strict emissions regs. d3 pro tuner
If you drive a Ford, Ram, or a Toyota, the D3 Pro is not for you. But for GM owners, it is arguably the most popular aftermarket tuner on the market. How does the D3 Pro stack up against the big names