Kooks Headers 28633300 3in. Stainless GREEN Catted Y-Pipe for 2019-2023 GM 1/2 Ton Truck 6.2L

The Kooks Headers 28633300 is a 3-inch stainless steel GREEN catted Y-pipe designed for 2019–2023 GM half-ton trucks equipped with the 6.2L V8 engine. Engineered to complement Kooks header systems, this high-flow Y-pipe features an integrated high-efficiency catalytic converter to reduce emissions while maintaining strong exhaust flow and performance gains.

Constructed from premium 304 stainless steel, this Y-pipe is built to resist corrosion and withstand the rigors of high-performance street and off-road driving. Kooks' precision TIG-welded craftsmanship ensures leak-free fitment and long-term durability. The GREEN designation refers to Kooks' catalytic converter grade — a high-flow cat designed to flow more freely than OEM units, unlocking additional power while remaining emissions-conscious.

Key Features:

• 3-inch stainless steel construction for maximum exhaust flow
• Integrated high-flow GREEN catalytic converter
• 304 stainless steel for superior corrosion resistance
• Precision TIG-welded seams for leak-free performance
• Direct bolt-on fitment for 2019–2023 GM 1/2 Ton Trucks with 6.2L V8
• Designed to pair with Kooks long-tube header systems
• Handcrafted in the USA

Kooks Headers has been a leader in high-performance exhaust manufacturing since 1962, with decades of proven results on the street and at the track. The 28633300 Y-pipe is a direct-fit upgrade that delivers improved exhaust scavenging, reduced backpressure, and a more aggressive exhaust tone over the factory unit.

WARNING: Some products may contain chemicals such as DEHP, which can cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.