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Modern performance tuning increasingly depends on accurate data. Whether you're monitoring ethanol content in a flex-fuel MINI or looking for a cleaner way to connect a JB4PRO system to a G-Chassis BM … read more

A factory clutch can work perfectly well for a stock vehicle. Once power, torque, or driving demands increase, however, the clutch becomes one of the most important components in the drivetrain. It is … read more

Brake rotors are often treated as a simple replacement item. On a high-performance vehicle, they are anything but. The rotor has to withstand repeated heat cycles, maintain structural integrity under … read more

A performance exhaust should do more than make a car louder. The best systems are developed around how the vehicle is actually driven: how it sounds under acceleration, how it behaves during cruising, … read more

Performance upgrades are not limited to one generation of BMW. A well-built E-chassis car, a modern G-series M car, and the Toyota Supra can all benefit from carefully engineered improvements to power … read more