GMT800 1500 Catalytic Converter Y-Pipe - V8 — Chevrolet Silverado / GMC Sierra

Direct-fit dual-catalyst Y-pipe assembly for compatible GMT800 V8 half-ton trucks.

Fitment: Catalyst/Y-pipe fitment varies by 2WD/4WD, cab/wheelbase, engine, Federal vs California emissions, and year. GM catalogs specific converter/manifold assemblies for select 2003-2006 and 2007 Classic applications.

Before ordering: Exhaust fitment can depend on engine, drivetrain, wheelbase, cab/bed length, Federal/California emissions certification, pipe diameter, oxygen-sensor location, and chassis configuration. Confirm the original system before ordering.

Part identification: This is a catalog reference. Confirm the manufacturer part number and vehicle configuration before selecting this part.