Application:compatible with2004-2006 Chevrolet Silverado/GMC Sierra 3500 6.6L V8 DIESEL OHV (LLY LBZ LLM ONLY)2004-2010 Chevrolet Silverado/GMC Sierra 2500HD 6.6L V8 DIESEL OHV (LLY LBZ LLM ONLY)2007-2010 Chevrolet Silverado 3500HD 6.6L V8 DIESEL OHV (LLY LBZ LLM ONLY)2008-2010 GMC Sierra 3500HD 6.6L V8 DIESEL OHV (LLY LBZ LLM ONLY)

Features:-Made of High Quality 16-gauge T-304 Stainless Steel with Computerized Mandrel-Bends-All joints are TIG welded to prevent cracking and wear-Maximizing Smoothest Exhaust Airflow-High Performance Racing Design, gains of up to +21 HP and +24 lb/ft Torque-Pre-Wrapped with fiberglass header wrap to insulate heat from engine bay-Black paint coating, can withstand up to 500 ?-100% Brand New Items, Never Used Or Installed-The accessories in the photos are included-No instructions provided; professional install recommended

Technical Specifications:Type: Down PipePipe Diameter: 3"Pipe Thickness: 16 gauge (1.5mm)Material: 304 Stainl