Boost performance and derivability in your vehicle with the only patented exhaust system available... the Edelbrock Tubular Exhaust System headers. In some cases, you'll shave up to a full second off your 0 to 60 time because the Edelbrock design improves your engine's ability to breathe. Mileage may also improve, as your engine becomes more "fuel efficient." Best of all, our Tubular Exhaust System (TESŪ) headers give you all this performance with acceptable emissions levels. TESŪ headers accept all stock emissions equipment, leaving them fully operational. All air injection and oxygen sensor fittings are provided. Most TESŪ are a complete exhaust system from the heads to the catalytic converter. Durable as well as powerful, most TESŪ headers are made from 16-gauge steel tubing and have heavy-duty flanges. Check out the outstanding features below. They make Edelbrock Tubular Exhaust System headers the best in quality and performance. Some application are now available in 409 stainless steel for extra protection against the high-heat conditions encountered in heavy-duty use such as towing and hauling heavy loads. Edelbrock stainless steel TESŪ headers are painted black and have a five year warranty against corrosion or burn-through. Edelbrock TESŪ headers will not void new vehicle warranties.