Kooks 1-7/8" Stainless Headers & GREEN Catted Connection Kit (3610H431) - Jeep Grand Cherokee & Dodge Durango 5.7L
Upgrade the performance and sound of your 5.7L HEMI SUV with the Kooks 1-7/8" Stainless Header and GREEN Catted Connection Kit. Engineered for WK2 Grand Cherokee and Dodge Durango models, this system delivers improved exhaust flow, stronger throttle response, and a deeper, more aggressive exhaust note while retaining high-output catalytic converters.
Built from premium stainless steel, the long tube headers feature mandrel-bent 1-7/8" primaries feeding into 3" collectors to reduce restriction and enhance scavenging. The included OEM-style GREEN catted stainless connection pipes use Kooks’ high-output catalytic converters, offering increased flow capacity compared to standard cats while maintaining street-friendly drivability. Precision fitment and durable construction make this kit an excellent choice for daily-driven and performance-focused HEMI applications.
Features
- 1-7/8" x 3" stainless steel long tube headers
- Premium stainless steel construction for durability and corrosion resistance
- Mandrel-bent tubing for optimized exhaust flow
- OEM-style stainless GREEN catted connection pipes
- High-output GREEN catalytic converters for increased airflow
- Improves horsepower, torque, and throttle response
- Direct-fit design for clean, bolt-on installation
- Street-friendly performance upgrade
Fitment
- 2011 Dodge Durango 5.7L
- 2012 Dodge Durango 5.7L
- 2013 Dodge Durango 5.7L
- 2014 Dodge Durango 5.7L
- 2015 Dodge Durango 5.7L
- 2016 Dodge Durango 5.7L
- 2017 Dodge Durango 5.7L
- 2018 Dodge Durango 5.7L
- 2019 Dodge Durango 5.7L
- 2020 Dodge Durango 5.7L
- 2021 Dodge Durango 5.7L
- 2022 Dodge Durango 5.7L
- 2023 Dodge Durango 5.7L
- 2011 Jeep Grand Cherokee 5.7L
- 2012 Jeep Grand Cherokee 5.7L
- 2013 Jeep Grand Cherokee 5.7L
- 2014 Jeep Grand Cherokee 5.7L
- 2015 Jeep Grand Cherokee 5.7L
- 2016 Jeep Grand Cherokee 5.7L
- 2017 Jeep Grand Cherokee 5.7L
- 2018 Jeep Grand Cherokee 5.7L
- 2019 Jeep Grand Cherokee 5.7L
- 2020 Jeep Grand Cherokee 5.7L
- 2021 Jeep Grand Cherokee 5.7L
- 2022 Jeep Grand Cherokee 5.7L
- 2023 Jeep Grand Cherokee 5.7L
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