Stainless Steel Headers Manifolds For 2001-2016 Chevy GMC Duramax Diesel 6.6L Performance Boost Unique steel template is included

Unique steel template is included which greatly improves cut out accuracy

and that classic D-series induction roar every time you crack the throttle

and consistent power every pull

The Q300 exhausts are engineered to produce strong mid to top-end power gains

The multi-piece construction allows for seamless integration with the contours of your 2022+ WRX front bumper

Stainless Steel Headers Manifolds For 2001-2016 Chevy GMC Duramax Diesel 6.6L Performance Boost Unique steel template is includedDEFECTIVE** 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: