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X-PH.com is excited to introduce Better Bodies Motorsport, a Porsche-focused manufacturer specializing in high-quality polyurethane exterior and aero components. With decades of experience developing … read more

Horsepower gets most of the attention in the performance world. But every increase in power ultimately creates another requirement: the ability to control and stop the vehicle consistently. That is wh … read more

An aftermarket exhaust should not force a performance car into a single personality. A system that sounds aggressive under acceleration can be exactly what an enthusiast wants on a spirited drive, but … read more

Performance vehicles are built around systems that have to work together. Air has to reach the turbocharger efficiently. Compressed air needs to be cooled before entering the engine. Exhaust gases nee … read more

Performance modifications do not always need to be complicated to make a noticeable difference. Some of the most effective upgrades focus on the areas where the factory vehicle has the greatest limita … read more