Kooks Headers Longtube Headers & Green Catted Mid Pipes

2021–2024 RAM TRX 6.2L HEMI

Part #: 3521H640

Overview

Kooks Headers and Exhaust has been a pioneer in the high-performance exhaust industry for over 50 years, delivering premium exhaust components designed to maximize power and efficiency. The Kooks 2" x 3" Longtube Headers paired with Green Catted Mid Pipes are engineered specifically for the 2021–2024 RAM TRX equipped with the 6.2L HEMI engine. This combination enhances exhaust flow, reduces backpressure, and improves throttle response, making it an ideal upgrade for enthusiasts seeking both street and off-road performance gains.

Handcrafted in the USA with meticulous attention to detail, these headers and mid pipes offer a perfect fit and durable construction, ensuring long-lasting performance and reliability. Whether you’re looking to increase horsepower, torque, or simply achieve a more aggressive exhaust note, Kooks delivers a solution tailored to your RAM TRX’s demanding powertrain.

Key Features

Designed for serious performance enthusiasts, the Kooks Longtube Headers and Green Catted Mid Pipes provide numerous benefits:

• Precision-engineered 2" primary tubes expanding to 3" collectors for optimal exhaust scavenging
• Green catted mid pipes that maintain emissions compliance while improving flow
• Handcrafted construction in the USA ensuring superior quality and fitment
• Compatible with 2021–2024 RAM TRX 6.2L HEMI engines for a direct bolt-on upgrade
• Improved throttle response and reduced exhaust backpressure for enhanced performance
• Durable materials designed to withstand high temperatures and harsh conditions
• Proven racing heritage with decades of championship-winning technology
• Designed to work seamlessly with factory and aftermarket exhaust components

Construction & Design

Kooks Headers are crafted from premium-grade stainless steel, chosen for its excellent corrosion resistance and ability to handle extreme heat cycles without warping or cracking. The 2" diameter primary tubes smoothly transition into 3" collectors, engineered to optimize exhaust gas velocity and improve scavenging effects. Each header is mandrel-bent to maintain consistent diameter throughout the bends, ensuring unrestricted flow and maximum efficiency.

The Green Catted Mid Pipes incorporate high-flow catalytic converters that balance emissions requirements with performance gains. These mid pipes are precision-welded and designed to fit perfectly with the longtube headers and factory exhaust system, providing a seamless installation experience.

Performance & Sound

Upgrading to Kooks Longtube Headers and Green Catted Mid Pipes significantly enhances your RAM TRX’s exhaust flow, resulting in improved horsepower and torque delivery across the RPM range. The reduction in backpressure allows the 6.2L HEMI engine to breathe more freely, translating into sharper throttle response and a more aggressive exhaust tone. Expect a deep, muscular sound that complements the TRX’s high-performance character without excessive drone.

Installation & Fitment

These headers and mid pipes are designed as a direct bolt-on replacement for the factory exhaust manifolds and mid pipes on 2021–2024 RAM TRX models with the 6.2L HEMI engine. Installation requires basic mechanical skills and common hand tools. No major modifications or cutting are necessary, and all mounting points align with factory locations to ensure a straightforward fit. Professional installation is recommended for optimal results and to maintain warranty coverage.

What's Included

• Set of 2" x 3" Longtube Headers
• Green Catted Mid Pipes (Front and Rear sections)
• All necessary gaskets and hardware for installation
• Detailed installation instructions

Ideal For

This Kooks Headers and Exhaust package is perfect for RAM TRX owners who demand enhanced performance and sound from their 6.2L HEMI engine. Whether you’re a street enthusiast, weekend warrior, or off-road adventurer, these headers and mid pipes offer a reliable upgrade that improves power delivery and exhaust tone without sacrificing emissions compliance. It’s also an excellent choice for those looking to complement other performance modifications such as tuning, intake upgrades, or suspension enhancements.