Kooks Headers KSH3521H640 RAM 1500 TRX 6.2L HEMI Long Tube Headers with High-Output Green Catted Connection Pipes

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!" 2021+RAM TRX 6.2L HEMI 2in. x 3in. Stainless Steel Headers w/3in. x OEM H.O. GREEN Catted Connection pipes. 3/8in. Thick Header flanges. Connects to OEM Catback w/2-Bolt flanges. Includes gaskets and hardware required for installation. 2021+RAM TRX 6.2L HEMI 2in. x 3in. Stainless Steel Long Tube Headers w/3in. x OEM High Output GREEN Catted Connection pipes. 304 Stainless Steel Construction. 3/8in. Thick Header flanges. Mandrel bent tubing. Connects to OEM Catback w/2-Bolt flanges. Includes gaskets and hardware required for installation. 2021+ RAM TRX 6.2L HEMI 2" x 3" Stainless Steel Long Tube Headers w/ 3" x OEM High Output GREEN Catted Connection pipes. 304 Stainless Steel Construction 3/8" Thick Header flanges Mandrel bent tubing Connection pipes Including Kooks 4-1/2" Bodied 300CSPI High Output GREEN catalytic converters Connects to OEM Catback w/ 2-Bolt flanges. Includes gaskets and hardware required for installation

• Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
• Kooks Headers And Exhaust Make The Most Power In The Industry
• Kooks System Are Specifically Designed For Maximum Power
• Kooks Products Are Made Of T304 Air Craft Quality Steel
• Limited Lifetime Warranty To Original Purchaser
• 3 Generations Being Family Owned And Operated
• Every Kooks Product Is Dyno And Race Tested
• Kooks Products Fit And Install The Best
• 100 Percent Manufactured In The USA

Upgrade the exhaust performance of your 2021 and newer Ram 1500 TRX with Kooks Headers part number KSH3521H640. This long tube header and catted connection pipe system is engineered specifically for the 6.2L HEMI engine, helping improve exhaust flow and support increased power throughout the RPM range. The system includes 2-inch by 3-inch stainless steel long tube headers and 3-inch connection pipes designed to connect to the factory cat-back exhaust with two-bolt flanges.

Constructed from T304 aircraft-quality stainless steel, the Kooks headers feature mandrel-bent tubing and 3/8-inch-thick header flanges for strength, durability, and precise fitment. The connection pipes include Kooks 4.5-inch-bodied 300-cell-per-square-inch high-output Green catalytic converters. Gaskets and installation hardware are included, helping simplify installation while retaining compatibility with the original exhaust system.

Every Kooks product is manufactured in the USA, dyno tested, and race tested for performance and fit. Kooks Headers backs this system with a limited lifetime warranty to the original purchaser. This application is EPA compliant but is not CARB approved; verify emissions requirements before installation. Fitment includes 2021, 2022, and 2023 Ram 1500 models equipped with the TRX 6.2L HEMI engine.

Product Specifications and Technical Data

• Brand: Kooks Headers
• Part Number: KSH3521H640
• Application: Ram 1500 TRX
• Engine Compatibility: 6.2L HEMI V8
• Header Type: Long tube headers
• Header Tubing: 2-inch primary tubes with 3-inch collectors
• Material: T304 aircraft-quality stainless steel
• Catalytic Converters: 300-cell-per-square-inch high-output Green converters

What's Included

• Stainless steel long tube headers
• Catted connection pipes
• High-output Green catalytic converters
• Gaskets
• Required installation hardware

Features:

• T304 Stainless Steel Construction: Made from aircraft-quality T304 stainless steel for corrosion resistance and long-term durability.
• Mandrel-Bent Tubing: Smooth, mandrel-bent passages help maintain consistent exhaust flow and support improved engine performance.
• High-Output Green Catalytic Converters: Includes Kooks 4.5-inch-bodied 300-cell-per-square-inch Green catalytic converters in the connection pipes.
• OEM Cat-Back Compatibility: Connects to the factory cat-back exhaust using two-bolt flanges for a streamlined installation.

Fitments:
2021 Ram 1500 TRX
2021 Ram 1500 TRX Launch Edition
2022 Ram 1500 TRX
2023 Ram 1500 TRX

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Regular Stock: t
Units Per Sku: 1