Bolt on extra horsepower and torque with 50-state smog legal JBA Cat4ward headers. These headers are designed to last, with 3/8 in. thick laser-cut flanges, smooth mandrel-bent tubing, and JBA's patented Firecone collectors. Available in either 14-gauge steel or 409 stainless steel, these headers are offered in your choice of chrome plated or high-temperature silver ceramic finishes for most applications. JBA includes high-quality mounting hardware and instructions, and best of all, most applications simply bolt on without any additional exhaust modifications. Brand JBA Headers Manufacturer's Part Number 6675S Part Type Headers Product Line JBA Headers Cat4ward Headers Part Number JBA-6675S Header Style Full-length Header Material Stainless steel Header Finish Natural Primary Tube Diameter (in) 1 5/8 in. Collector Attachment Slip fit Tuned No Primary Tube Gauge 14-gauge Cylinder Head Port Shape D-port Flange Style Standard Flange Thickness (in) 3/8 in. Bolts/Studs Included Yes Gaskets Included Yes Reducers Included No Y-Pipe Included No Motor Mounts Included No Transmission Mount Included No Quantity Sold as a pair.