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Part #: 3510H621
The Kooks Headers Longtube Headers and OEM Catted Y-Pipe Kit is a precision-engineered exhaust upgrade tailored for Dodge RAM 1500 and RAM 1500 Classic trucks equipped with the 5.7L VVT HEMI engine from 2009 through 2023. This premium kit enhances exhaust flow and throttle response, delivering a noticeable improvement in engine efficiency and power potential. Crafted by Kooks, a family-owned company with over 50 years of experience in high-performance exhaust manufacturing, this kit balances aggressive performance gains with emissions compliance.
Whether you use your RAM for daily driving, towing, or spirited performance, this header and Y-pipe combination offers a durable, high-quality solution that improves engine breathing and produces a deeper, more aggressive exhaust tone without compromising reliability or drivability.
Designed for enthusiasts seeking a robust and emissions-compliant upgrade, this kit includes:
Kooks Headers are meticulously handcrafted from premium stainless steel, ensuring exceptional strength, corrosion resistance, and long-lasting durability. The long tube header design maximizes exhaust gas velocity and minimizes backpressure, which helps improve engine efficiency and power output. The included catted Y-pipe incorporates Kooks’ proprietary GREEN Cats, engineered to maintain EPA emissions compliance while offering enhanced durability compared to standard catalytic converters.
Every weld and bend is carefully executed to optimize fitment and flow characteristics, ensuring a seamless integration with your RAM’s factory exhaust system for reliable, high-performance operation.
This header and Y-pipe kit significantly enhances exhaust flow, resulting in improved throttle response and supporting increased horsepower potential when combined with other performance modifications. The long tube headers contribute to a deeper, more aggressive exhaust tone that enriches the driving experience without excessive drone. The high-quality catalytic converters maintain emissions control while allowing a freer-flowing exhaust path.
The Kooks Headers Longtube Headers and OEM Catted Y-Pipe Kit is designed for direct bolt-on installation with no major modifications required. It fits Dodge RAM 1500 and RAM 1500 Classic models equipped with the 5.7L HEMI engine from 2009 through 2023. Installation typically requires standard hand tools and moderate mechanical experience. Professional installation is recommended to ensure proper fitment and optimal performance.
This kit is ideal for RAM 1500 and RAM 1500 Classic owners who want to upgrade their exhaust system for improved performance, sound, and durability. It suits street drivers, weekend enthusiasts, and those who occasionally tow or haul, providing a reliable and emissions-compliant solution that enhances the capabilities of the 5.7L HEMI engine.
Kooks has replaced standard catalytic converters with their EPA-verified GREEN Cats, which offer improved durability and emissions compliance. These catalytic converters meet EPA standards and are suitable for modern muscle vehicles up to 750 RWHP. Customers should verify local regulations before installation to ensure compliance with emissions laws in their area.
Kooks Headers & Exhaust is a heritage performance exhaust manufacturer best known for high-quality stainless steel headers and complete exhaust systems. Built for serious street and track builds, Kooks products focus on fitment, durability, and the kind of airflow improvements enthusiasts chase when stepping up power.
ETA stands for Estimated Time of Arrival. The date shown is calculated using our Available-to-Promise (ATP) system, which tracks real-time supplier commitments to determine when a product is expected to be available for delivery. Specifically, the date is calculated by adding 9 business days from the date a supplier has committed to ship the product, representing a worst-case scenario for when we can expect to receive inventory.
Please note: The ETA is an estimate, not a guarantee. While we work closely with our suppliers to keep dates as accurate as possible, delays due to shipping carriers, weather, customs, or supplier-side issues may occasionally push the actual arrival beyond the date shown. Likewise, inventory may arrive sooner than the ETA in many cases. If you would like to be notified for when this item arrives, sign up for our back in stock notifications!
3510H621 Kooks Headers 09-23 Ram 1500 5.7L Hemi Longtube Headers & OEM Catted Y-Pipe. This premium header and Y-pipe kit enhances exhaust flow and throttle response while maintaining emissions compliance with EPA-verified GREEN Cats. Crafted from durable stainless steel, it offers improved horsepower potential and a deeper, aggressive exhaust tone. Designed for direct bolt-on installation, it fits a wide range of Ram 1500 models from 2009 to 2023, providing a reliable upgrade for daily driving, towing, or spirited performance. Handcrafted in the USA for lasting quality and performance.
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Part #: 3510H621
The Kooks Headers Longtube Headers and OEM Catted Y-Pipe Kit is a precision-engineered exhaust upgrade tailored for Dodge RAM 1500 and RAM 1500 Classic trucks equipped with the 5.7L VVT HEMI engine from 2009 through 2023. This premium kit enhances exhaust flow and throttle response, delivering a noticeable improvement in engine efficiency and power potential. Crafted by Kooks, a family-owned company with over 50 years of experience in high-performance exhaust manufacturing, this kit balances aggressive performance gains with emissions compliance.
Whether you use your RAM for daily driving, towing, or spirited performance, this header and Y-pipe combination offers a durable, high-quality solution that improves engine breathing and produces a deeper, more aggressive exhaust tone without compromising reliability or drivability.
Designed for enthusiasts seeking a robust and emissions-compliant upgrade, this kit includes:
Kooks Headers are meticulously handcrafted from premium stainless steel, ensuring exceptional strength, corrosion resistance, and long-lasting durability. The long tube header design maximizes exhaust gas velocity and minimizes backpressure, which helps improve engine efficiency and power output. The included catted Y-pipe incorporates Kooks’ proprietary GREEN Cats, engineered to maintain EPA emissions compliance while offering enhanced durability compared to standard catalytic converters.
Every weld and bend is carefully executed to optimize fitment and flow characteristics, ensuring a seamless integration with your RAM’s factory exhaust system for reliable, high-performance operation.
This header and Y-pipe kit significantly enhances exhaust flow, resulting in improved throttle response and supporting increased horsepower potential when combined with other performance modifications. The long tube headers contribute to a deeper, more aggressive exhaust tone that enriches the driving experience without excessive drone. The high-quality catalytic converters maintain emissions control while allowing a freer-flowing exhaust path.
The Kooks Headers Longtube Headers and OEM Catted Y-Pipe Kit is designed for direct bolt-on installation with no major modifications required. It fits Dodge RAM 1500 and RAM 1500 Classic models equipped with the 5.7L HEMI engine from 2009 through 2023. Installation typically requires standard hand tools and moderate mechanical experience. Professional installation is recommended to ensure proper fitment and optimal performance.
This kit is ideal for RAM 1500 and RAM 1500 Classic owners who want to upgrade their exhaust system for improved performance, sound, and durability. It suits street drivers, weekend enthusiasts, and those who occasionally tow or haul, providing a reliable and emissions-compliant solution that enhances the capabilities of the 5.7L HEMI engine.
Kooks has replaced standard catalytic converters with their EPA-verified GREEN Cats, which offer improved durability and emissions compliance. These catalytic converters meet EPA standards and are suitable for modern muscle vehicles up to 750 RWHP. Customers should verify local regulations before installation to ensure compliance with emissions laws in their area.
Kooks Headers & Exhaust is a heritage performance exhaust manufacturer best known for high-quality stainless steel headers and complete exhaust systems. Built for serious street and track builds, Kooks products focus on fitment, durability, and the kind of airflow improvements enthusiasts chase when stepping up power.
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Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
Free Standard Shipping on orders over $300. Select “Free Shipping” at checkout. *Exclusions apply on oversized and freight items.
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
