Kooks Header & Y-Pipe Kit uses stainless steel for a perfect fit and smooth exhaust flow in 2015–2020 Chevy Suburban 5.3L/6.2L engines.
This system is crafted to complement factory or upgraded exhaust setups while offering a free-flowing design that helps reduce backpressure and optimize scavenging. Constructed from mandrel-bent 304 stainless steel, the 1-7/8-inch primary tubes transition smoothly into a 3-inch collector and mate with a catted Y-pipe that maintains emissions compliance. Designed for Suburban LT, LS, LTZ, and Premier trims equipped with Gen V small-block V8s, the assembly integrates with factory-style components, making it suitable for both daily use and performance builds.
1-7/8" primary tubes with 3" collectors for optimized flow and durability
Includes stainless steel catted Y-pipe for efficient mid-pipe integration
Mandrel-bent 304 stainless steel tubing for corrosion resistance and strength
Designed to fit 2015–2020 Chevrolet Suburban 5.3L and 6.2L V8 models
Works with stock or aftermarket exhaust systems with OEM-style connections
TIG welded flanges and precise bends ensure leak-free operation and proper alignment
Intended for use with factory emissions equipment and oxygen sensors
This Kooks header kit is a bolt-on solution for enthusiasts seeking performance gains without compromising factory fit or compatibility.
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