Stainless Steel Headers Manifolds For 2001-2016 Chevy GMC Duramax Diesel 6.6L Performance Boost inserts need to be selected

inserts need to be selected and purchased individually

and consistent power every pull

1–3 weeks manufacturing time

and enhanced overall engine efficiency

Rear: 5 kg/mm

Stainless Steel Headers Manifolds For 2001-2016 Chevy GMC Duramax Diesel 6.6L Performance Boost inserts need to be selectedDEFECTIVE** ONE OF THE FLANGES IS WELDED UPSIDE DOWN Key Features: Durable Construction: Made from high quality stainless steel for superior strength and corrosion resistance. Precision Engineering: Designed for perfect fitment and optimal exhaust flow. Performance Boost: Improves horsepower and torque with enhanced exhaust flow. Vehicle Compatibility: Specifically designed for 2001 2016 Chevy GMC Duramax Diesel 6. 6L engines. Easy Installation: