Shorty Headers Black Painted 1999-2002 Chevy/GMC Silverado/Sierra 4.8L/5.3L 2000-2001 Tahoe/Suburban/Yukon 4.8L/5.3L Tube Size 1.625 Inch O.D. W/O A.I.R. W/Egr Black Paint 50-State Legal Header Carb Eo #D-115-16. FlowTech

These Black Painted Flowtech 1-5/8-Inch Shorty Headers will give your Sierra additional torque and horsepower, letting you rip through the streets or the trails. With the engine breathing easier, get added performance gains for your truck. Get a deep exhaust tone for your truck with these headers. With better exhaust flow, your truck will gain an intimidating exhaust tone that's sure to catch everyone's attention. These headers are designed to work with the factory catalytic converters. You don't have to worry about violating emissions regulations since these readily work with the factory components. These headers use heavy-duty 16 gauge steel tubing for their construction, with 3/8-inch flanges for a perfect seal. These come painted in black. With these headers, a retune is not required upon installation. A custom tuning is still advised to maximize performance from this product.