Kooks Headers 28603300 3in Stainless Steel GREEN Catted Y-Pipe

The Kooks Headers 28603300 is a high-performance 3-inch stainless steel Y-pipe designed specifically for 2014-2019 GM 1500 Series trucks and 2015-2020 full-size SUVs equipped with the 5.3L engine. This catted Y-pipe features Kooks' EPA-certified GREEN high-flow catalytic converters, engineered to deliver exceptional performance while maintaining emissions compliance.

Key Features:

• 3-inch inlet tapering to 2-3/4-inch OEM outlet for optimal exhaust flow
• 16-gauge T304 stainless steel construction for superior durability and corrosion resistance
• Dual 400-cell GREEN catalytic converters certified to EPA standards
• Rated for forced induction applications up to 750 rear-wheel horsepower
• Ball-and-socket style connection to headers ensures leak-free installation
• Mandrel-bent tubing for maximum flow and performance gains
• Includes all necessary clamps for installation
• Handcrafted in the USA with ISO 9001:2015 certification

Installation Requirements:

• Requires Kooks long tube headers for proper fitment
• Outlet connects directly to factory exhaust system using OEM hardware
• Professional installation recommended

Kooks GREEN catalytic converters utilize a premium coating with enhanced precious metal content, providing superior performance in high-horsepower and forced induction applications. Each converter features a 400-cell high-flow substrate that reduces harmful emissions while maximizing exhaust flow for improved horsepower and torque. The Y-pipe is backed by Kooks' limited lifetime warranty to the original purchaser and comes with a 2-year warranty on the GREEN catalytic converters.