Fuel and air intake upgrades for the SEADOO RXP-X (12-20) & GTR-X (18-19) are essential for improving airflow efficiency and maximizing the performance potential of the supercharged Rotax engines. These systems are designed to reduce intake restriction, allowing more air to reach the combustion chamber and supporting stronger, more consistent boost pressure. High-performance intake kits, upgraded intercoolers, and airflow components help lower intake temperatures while increasing oxygen density, which directly translates into improved throttle response and power output. For riders pushing higher boost levels, intake upgrades become a foundational step in achieving reliable and repeatable performance gains. Improved airflow not only increases horsepower but also enhances engine efficiency, especially when combined with ECU tuning and exhaust upgrades. A properly optimized intake system ensures that fuel delivery remains balanced and consistent, preventing lean conditions and maintaining engine reliability under load. These upgrades also complement pump and impeller enhancements by delivering smoother, more predictable power to the water, improving acceleration and overall ride feel. Whether targeting aggressive top-end speed or stronger mid-range pull, upgrading the intake system is one of the most effective ways to unlock performance gains on these high-output Sea-Doo platforms.