AFE 58-10003R Momentum GT Carbon Fiber Cold Air Intake System (w/Pro 5R Filter) for 11-24 300 / Challenger / Charger 6.4L 392. The system gives your SRT an edge with its lightweight carbon fiber construction, weighing less than the OE system. Its massive 9" air filter and sealed, heat-resistant design deliver dyno-proven gains of up to 16 HP and 15 lbs. x ft. TQ, while outflowing the factory intake by 22%.