Kooks Headers 3510H621 2" Long Tube Headers and Catted Connection Kit for 2009-2018 Ram 1500 5.7L HEMI

The Kooks Headers 3510H621 is a complete performance exhaust system featuring 2-inch diameter long-tube headers paired with a catted connection kit, engineered specifically for 2009-2018 Dodge/Ram 1500 trucks equipped with the 5.7L HEMI V8 engine. This comprehensive kit delivers maximum exhaust flow and significant power gains while maintaining emissions compliance.

Premium Construction and Materials:

• Constructed from T304 aircraft-quality stainless steel for superior durability and corrosion resistance
• Heavy-duty 16-gauge tubing ensures long-lasting performance under extreme conditions
• Precision TIG-welded and mandrel-bent for smooth exhaust flow and professional fitment
• Features 3/8-inch thick flanges and hand-ported inlets for optimal sealing and flow
• Includes Kooks patented collector spikes for enhanced scavenging

Complete System Includes:

• 2-inch primary long-tube headers with 3-inch collectors
• Catted connection/Y-pipe with high-flow catalytic converters
• O2 sensor extension harnesses for proper sensor placement
• All necessary gaskets, hardware, and clamps for complete installation

Performance Benefits:

• Reduces exhaust backpressure for increased horsepower and torque
• Improves throttle response and overall engine performance
• Delivers a deep, aggressive exhaust tone without excessive drone
• Dyno-tested and race-proven for maximum power gains
• Connects to OEM cat-back exhaust systems for easy integration

Handcrafted in the USA by Kooks Headers and Exhaust, a leader in high-performance exhaust systems since 1962. Backed by Kooks' limited lifetime warranty to the original purchaser. With over 50 years of racing heritage and countless championships in NHRA, IHRA, NMCA, NMRA, NASCAR, and other motorsports organizations, Kooks delivers proven performance you can trust.