Kooks Headers 3610H421 Stainless Steel Header and Catted Connection Kit for Grand Cherokee/Durango 5.7L HEMI

The Kooks Headers 3610H421 is a complete stainless steel header and catted connection kit engineered specifically for 2011-2020 Jeep Grand Cherokee and Dodge Durango models equipped with the 5.7L HEMI engine. This premium exhaust system upgrade delivers significant performance gains through improved exhaust flow while maintaining catalytic converter functionality for emissions compliance.

Key Features:

• Premium stainless steel construction for maximum durability and corrosion resistance
• Precision-engineered mandrel-bent tubing for optimal exhaust flow
• Includes catalytic converters (catted connection) for 50-state legal emissions compliance
• Direct bolt-on fitment for 2011-2020 Grand Cherokee and Durango 5.7L HEMI applications
• Handcrafted in the USA with proven race-winning design heritage
• Increases horsepower and torque while improving throttle response
• Professional installation recommended for proper fitment and performance

Backed by Kooks Headers' 50+ years of exhaust engineering excellence, this complete header and connection kit combines race-proven performance technology with street-legal functionality. The system optimizes exhaust scavenging to unlock the full potential of your HEMI V8 while maintaining the factory catalytic converter locations for emissions testing compliance.