Stainless Works CT9902 1-3/4" Stainless Headers with High-Flow Catted Leads 4WD Factory Connect

The Stainless Works CT9902 headers are purpose-built for 1999–2002 Chevrolet and GMC trucks equipped with 4.8L or 5.3L engines in 4WD configuration. Constructed from 304 stainless steel, these headers deliver exceptional corrosion resistance and long-term durability. Every tube is CNC mandrel bent for smooth, unrestricted exhaust flow, and all welds are performed using TIG welding techniques for maximum structural integrity.

Key Features:

• 1-3/4" primary tubes CNC mandrel bent for optimal exhaust scavenging and flow
• 3/8" CNC laser-cut flanges for precise, leak-free sealing
• Primary tubes include air tube fitting for emissions system compatibility
• 2-1/2" slip-fit collectors with O2 sensor bungs welded in place
• Flows into 2-1/2" high-flow catalytic converters and lead pipes
• Y-pipe transitions to factory connection point via donut gasket and flange
• Mill finish stainless steel appearance
• Full lifetime warranty — proudly made in the USA

Kit Includes:

• Left and right stainless steel headers
• High-flow catalytic converter leads
• Y-pipe with donut gasket
• High-temp RTV silicone
• 8mm header bolt kit
• All required Accuseal clamps
• Flange bolt kit for factory connection

The CT9902 is a complete bolt-on exhaust header kit designed for a clean, factory-style connection, making installation straightforward without the need for custom fabrication. Backed by Stainless Works' lifetime warranty and American craftsmanship, this kit is an ideal performance upgrade for 4WD truck applications.