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An aftermarket exhaust does more than change the appearance of a vehicle. It changes how the car sounds, how it feels to drive, and how noticeable the modification is from one situation to another. Fo … read more

Modern performance tuning is no longer limited to flashing a single calibration and leaving the car alone. As factory engine management systems have become more sophisticated, tuning has evolved into … read more

X-PH.com is excited to introduce Jackal Motorsports, a performance tuning brand specializing in ECU and TCU calibration for Audi vehicles. With a strong focus on Audi platforms, Jackal Motorsports de … read more

Keep your BMW S55 intake system cleaner with the MAD Oil Catch Can - MAD-158, specifically designed for the BMW F87 M2 Competition, F80 M3, F82 M4, and F83 M4. This vehicle-specific catch can helps se … read more

Increasing engine power is only half of a high-performance drivetrain build. The transmission has to deliver that power to the wheels repeatedly, under conditions that can place substantially more str … read more