Best Car Emission Systems of 2025

The AEM 21-485R Red Cold Air Intake System is a Ram Air Kit that can provide you with up to 8.4 HP horsepower gain at 7300 RPM. It comes with a lifetime DRYFLOW Synthetic air filter that offers excellent filtration, making it a great investment for your vehicle. Additionally, this product is manufactured in the USA.

The AEM Cold Air Intake is a high-quality Ram Air Kit designed to boost your car or truck's performance. With an estimated horsepower gain of 8.4 HP at 7300 RPM, this intake system delivers impressive power and acceleration. It features a lifetime DRYFLOW Synthetic air filter that provides excellent filtration, ensuring clean air reaches your engine for optimal performance. The filter is guaranteed for the life of your vehicle, saving you money on replacements. Manufactured in the USA, this AEM Cold Air Intake is built to last and enhance your driving experience.

The AEM Mazda Miata Air Intake is designed to enhance your vehicle's performance by increasing horsepower and minimizing airflow restrictions compared to standard options. This system features a lifetime DRYFLOW Synthetic air filter, ensuring excellent filtration for cleaner air intake, which is essential for optimal engine performance. You can trust this product to last for the life of your car, providing long-term value. Additionally, it is proudly manufactured in the USA, ensuring high-quality craftsmanship tailored specifically for your vehicle.

The COMP Cams 5200 vacuum canister is a universal fit car bolt with a black powder-coated aluminum finish. It measures 22.5 H x 13.9 L x 14.1 W (centimeters) and weighs 0.697 kilograms. Made in the United States, this vacuum canister is a must-have for car enthusiasts who want to improve their engine's performance.

The Spectre Polished Plenum is a high-quality auto part designed for car emission systems. Weighing just 4.4 lbs, it’s lightweight, making installation easier and more convenient for you. This product comes in a package of one, which is perfect if you’re looking to replace a single component. Made in China, it reflects global manufacturing standards, ensuring reliability and performance. With its polished finish, this plenum not only enhances the look of your engine bay but also contributes to improved air intake efficiency, optimizing your vehicle's performance.

The Corsa Black Air Intake offers an efficient way to enhance your vehicle's performance. With its oversized closed air box, it allows for a greater volume of air to enter your engine, which can significantly improve airflow. This increased airflow helps to lower air temperature, making your engine run cooler and more efficiently. As a result, you may experience a noticeable boost in horsepower and torque, giving your vehicle a more powerful performance. Upgrading to the Corsa Black Air Intake can lead to a more responsive driving experience.

The Spectre Engine Kit is designed to boost the performance of small block Chevy engines. With enhanced horsepower and torque, you can enjoy a more powerful driving experience. The kit includes a performance air cleaner measuring 14 x 3 inches, which helps improve airflow and engine efficiency. Additionally, the chrome hardware adds a stylish touch to your engine bay. This comprehensive kit not only elevates your vehicle's performance but also makes installation easier with all necessary components included, so you can get back on the road quickly.

The K&N Cold Air Intake offers significant upgrades for your vehicle. It enhances horsepower and torque by allowing more cool, oxygen-rich air to flow into the engine. This improved airflow means you can enjoy better acceleration and performance, especially on hills. You’ll also appreciate the growling sound your engine makes during acceleration, which adds an exciting element to your driving experience. Plus, with K&N's reusable air filter, you can go up to 100,000 miles before needing to clean it, making maintenance easy and convenient.

The K&N Cold Air Intake is designed to boost your engine's performance and power. It provides a smoother airflow, allowing more cool and oxygen-rich air to enter, which can enhance horsepower and torque. You will also appreciate the deep growl of your engine during acceleration, which adds an exciting auditory experience. Additionally, this intake system improves towing capabilities by enhancing throttle response and overall power, making uphill climbs easier. With K&N's reusable air filter, you can enjoy clean air flow for up to 100,000 miles before needing a clean, making maintenance a breeze.

The AEM Cold Air Intake is designed to enhance your vehicle's performance. It offers an estimated horsepower boost of 8.4 HP at 7300 RPM, which means you can enjoy a more powerful driving experience. This intake system comes with a lifetime DRYFLOW Synthetic air filter, ensuring excellent air filtration and long-lasting use. You can rely on it for the entire lifespan of your car or truck. Plus, it's proudly manufactured in the USA, ensuring quality and reliability. With this intake system, you'll improve your vehicle's efficiency and enjoy a more dynamic ride.