Kooks Headers Longtube Headers & Catted Y-Pipe

2019–2026 RAM 1500 5.7L VVT HEMI

Part #: 3520H420

Overview

The Kooks Headers 1.875" x 3" Longtube Headers & Catted Y-Pipe is a premium exhaust upgrade designed specifically for the 2019 to 2026 RAM 1500 equipped with the 5.7L VVT HEMI engine. Renowned for over 50 years of excellence in high-performance exhaust systems, Kooks delivers a handcrafted solution that enhances exhaust flow, improves throttle response, and unlocks the true potential of your HEMI-powered truck.

Ideal for enthusiasts seeking both street and off-road performance gains, this header and Y-pipe combination offers a perfect balance of power, sound, and durability. Whether you’re looking to increase horsepower, torque, or simply upgrade your exhaust system’s efficiency, Kooks provides a proven product backed by decades of racing heritage and engineering expertise.

Key Features

Engineered for maximum performance and reliability, these longtube headers and catted Y-pipe feature:

• Precision mandrel-bent 1.875" primary tubes for optimized exhaust scavenging
• 3" collector diameter to enhance exhaust flow and reduce backpressure
• Integrated catted Y-pipe for improved emissions control without sacrificing performance
• Handcrafted construction in the USA ensuring superior quality and fitment
• Designed specifically for the RAM 1500 5.7L VVT HEMI (2019–2026) for a direct bolt-on installation
• Compatible with factory and aftermarket components for versatile integration
• Durable stainless steel materials for corrosion resistance and long service life
• Proven performance gains supported by Kooks’ extensive motorsports experience

Construction & Design

Kooks Headers are meticulously handcrafted using premium stainless steel to withstand the rigors of daily driving and high-performance use. The 1.875" primary tubes are mandrel bent to maintain consistent diameter and smooth bends, which promotes efficient exhaust gas flow and reduces turbulence. The 3" collectors are designed to merge exhaust pulses effectively, enhancing scavenging and power output.

The integrated catted Y-pipe ensures that emissions are managed responsibly while maintaining the free-flowing characteristics essential for performance. Every weld and joint is precision-crafted to deliver a perfect fit and finish, reflecting Kooks’ commitment to quality and durability.

Performance & Sound

By replacing the restrictive factory manifolds and exhaust components, these longtube headers and catted Y-pipe significantly improve exhaust flow, resulting in enhanced horsepower and torque throughout the RPM range. The design also contributes to a deeper, more aggressive exhaust note that complements the muscular character of the 5.7L VVT HEMI engine without excessive drone.

Installation & Fitment

Designed as a direct fit for the 2019–2026 RAM 1500 with the 5.7L VVT HEMI, installation is straightforward with no major modifications required. The kit bolts directly to the factory exhaust flanges and mounts, ensuring a secure and leak-free connection. Basic mechanical skills and common hand tools are sufficient for installation, though professional installation is recommended for optimal results.

What's Included

• 1.875" diameter longtube headers
• 3" diameter catted Y-pipe
• All necessary gaskets and hardware for installation
• Detailed installation instructions

Ideal For

This Kooks Headers kit is perfect for RAM 1500 owners who want to upgrade their exhaust system for improved performance, sound, and durability. It suits street drivers, weekend warriors, and off-road enthusiasts who demand quality and proven results from a trusted American manufacturer. Whether upgrading a stock truck or building a performance rig, this header and Y-pipe combo delivers measurable gains and a refined exhaust tone.