Upgrade your 1999–2006 Chevy Silverado or GMC Sierra with this performance long tube header and Y-pipe system from Certified Automotive Experts. Engineered for LS-based 4.8L, 5.3L, and 6.0L engines, this system features 1.75” primaries, TIG-welded stainless construction, and a high-flow 3” Y-pipe. Replaces restrictive OEM manifolds for more horsepower, torque, and a stronger throttle response. Designed for bolt-on installation using the factory exhaust mounting points. Compatible with Suburban, Tahoe, Yukon, Avalanche, and Escalade of the same era. Get better airflow, a deeper sound, and a proven performance gain.
- High performance long tube headers improve exhaust flow and throttle response
- Mandrel bent stainless steel tubing with TIG welds and CNC machined flanges for durability
- Includes Y pipe with 3 inch outlet designed for maximum power and fitment
- Direct bolt on design engineered for specific vehicle applications no cutting or welding required
- Certified Automotive Experts performance part backed by warranty and real world testing
