Stainless Works Stainless Steel Long Tube Headers & Mid Pipes

2005–2020 Chrysler 300 / 2006–2019 Dodge Charger / 2006–2008 Dodge Magnum / 2008–2020 Dodge Challenger 5.7L, 6.1L, 6.4L, 6.2L HEMI Engines

Part #: HM642HDRCAT

Overview

The Stainless Works Stainless Steel Long Tube Headers and Mid Pipes are precision-engineered exhaust components designed to enhance the performance of Chrysler 300, Dodge Charger, Dodge Magnum, and Dodge Challenger models equipped with 5.7L, 6.1L, 6.4L, and 6.2L HEMI engines from 2005 through 2020. These headers and mid pipes provide a direct bolt-on upgrade over factory manifolds, improving exhaust flow to increase horsepower and torque while delivering a deeper, more aggressive exhaust note that HEMI enthusiasts demand.

Built for performance drivers seeking a reliable and durable exhaust solution, this kit combines long tube headers with high-flow catted mid pipes to balance power gains with emissions compliance for off-road use. Whether upgrading a street machine or a weekend racer, these components unlock the full potential of your HEMI-powered vehicle with quality craftsmanship and proven design.

Key Features

Designed with performance and durability in mind, the Stainless Works Long Tube Headers and Mid Pipes offer the following key features:

• 2-inch primary tubes for improved exhaust scavenging and enhanced flow dynamics
• Long tube header design to maximize horsepower and torque gains across the RPM range
• High-flow catted mid pipes with 3-inch off-road lead pipes to reduce backpressure
• Smooth mandrel bends to maintain consistent exhaust velocity and minimize turbulence
• Fully TIG welded construction for superior strength, durability, and a polished finish
• 100% bolt-on installation with no cutting or welding required
• Includes all necessary clamps, O2 sensor extensions, bolts, and RTV silicone for complete installation
• Compatible with factory exhaust connection points and Stainless Works exhaust systems
• Fits a wide range of HEMI engines including 5.7L, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat variants

Construction & Design

Crafted from premium stainless steel, these long tube headers and mid pipes are engineered to withstand the demands of high-performance driving while resisting corrosion and heat damage. The 2-inch primary tubes optimize exhaust gas velocity, and smooth mandrel bends reduce flow restrictions commonly found in factory manifolds. Each weld is meticulously TIG welded, ensuring structural integrity and a clean, polished appearance that enhances the engine bay.

The high-flow catted mid pipes incorporate advanced catalytic converters designed to maintain emissions compliance for off-road use without sacrificing performance. The 3-inch lead pipes provide seamless connections to factory exhaust systems or Stainless Works components, ensuring a hassle-free installation experience.

Performance & Sound

Upgrading to Stainless Works long tube headers and mid pipes significantly improves exhaust flow, reducing backpressure and increasing engine efficiency. This results in noticeable gains in horsepower and torque, particularly in the mid to high RPM ranges. Additionally, the headers contribute to a deeper, more aggressive exhaust tone that amplifies the iconic HEMI rumble, delivering an exhilarating driving experience without unwanted drone.

Installation & Fitment

This kit is designed for a straightforward, bolt-on installation with no modifications required. It fits directly onto the factory exhaust connection points for Chrysler 300 models from 2005 to 2020, Dodge Charger from 2006 to 2019, Dodge Magnum from 2006 to 2008, and Dodge Challenger from 2008 to 2020 equipped with 5.7L, 6.1L, 6.4L, and 6.2L HEMI engines. All necessary hardware, including clamps, O2 sensor extensions, bolts, and RTV silicone, are included to ensure a complete and secure fitment.

What's Included

• Stainless steel long tube headers with 2-inch primaries
• High-flow catted mid pipes with 3-inch off-road lead pipes
• All required clamps and mounting hardware
• O2 sensor extensions for proper sensor placement
• Bolts and RTV silicone for sealing and installation

Ideal For

This exhaust upgrade is ideal for HEMI enthusiasts seeking a high-quality, reliable solution to improve engine performance and exhaust sound without extensive modifications. Perfect for street performance, weekend track use, or anyone looking to enhance the power and tone of their Chrysler 300, Dodge Charger, Dodge Magnum, or Dodge Challenger equipped with HEMI engines.

Emissions Note

Stainless Works does not ship any emission-related components, including headers, down-pipes, catalytic converters, or off-road pipes, to California addresses due to state regulations. This product is intended for off-road use and may not be legal for street use in certain areas. Please verify local laws before installation.