VelocityAP 200 Cell Sport Catalytic Converters for Jaguar XFR, XFR-S, XF 5.0SCFits XF 3. 0SC, 5. 0SC, XFR, and XFR S. Dyno Proven gains of 31BHP in conjunction with our X Pipe Center Section, 25 BHP when fitted alone. Combine with our 5. 0L Supercharger Pulley, ECU Tune and Sport Catalysts and turn your Jaguar into a Monster with 75BHP and 81ft lb gains! This system features: Better sound! Smooth V8 burble at lower RPMs, with a more aggressive sound under load Less weight. Lighter than original equipment, improving braking,