Kooks 1 7/8" x 3" Stainless Long Tube Header Kit

Ram 1500 19-24 5.7L Hemi

3520H430

Kooks 1 7/8" x 3" Stainless Long Tube Header Kit is engineered for exceptional power and efficiency in 5.7L Hemi vehicles. Constructed from premium 304 stainless steel, the headers feature mandrel-bent 1 7/8" primaries flowing into 3" collectors with welded O2 bungs for accurate sensor placement. The kit includes a 3" x 2-3/4" Ultra Green Catted Stainless Steel Y-Pipe with OEM connections, providing a direct-fit solution with no custom tuning required. This kit delivers up to 55 horsepower and 80 lb-ft torque gains while maintaining a direct replacement for factory parts. Optional connections allow integration with Kooks Street Type (KST) or Race Type (KRT) catback exhaust systems for either a refined tone or aggressive sound. Handcrafted in the USA, this high-performance kit ensures durability and superior flow. While not street-legal in California, it is backed by a lifetime warranty for peace of mind.

• 1 7/8" stainless steel long tube headers with 3" collectors
• 3" x 2-3/4" Ultra Green Catted Stainless Steel Y-Pipe with OEM connections
• Direct-fit replacement, no tuning required
• Optional Kooks Street Type (KST) or Race Type (KRT) catback exhaust
• Adds up to 55 HP and 80 lb-ft torque
• Includes all gaskets, hardware, and O2 extensions for installation
• Mandrel-bent stainless steel for optimal flow and durability
• Aggressive, high-performance exhaust tone
• Handcrafted in the USA
• Not CARB compliant; not legal in California

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.