Stainless Works Header Flange BBC 2-1/8" Port NIxGM~ Each Air Duct is finished

Each Air Duct is finished with UV-resistant clear-coat paint for resistance against various environmental conditions (take care of this as you would take care of your vehicle's paint finish - polish then coat with good-quality wax or synthetic protectant)

Our Fabrication and Engineering Departments put countless R&D hours into creating an exhaust with impressive power gains and an intoxicating tone

engineered to match up perfectly with the factory air inlet pipes

Engineered Fitment: Morimoto's A-Pillar kit for the 2014-2018 Chevrolet Silverado has been through numerous rounds of design

Stainless Works Header Flange BBC 2-1/8" Port NIxGM~ Each Air Duct is finishedBig Block Chevy round port header exhaust flanges. These flanges come as a pair and are designed for 2 1 8" primaries, laser cut from heavy duty 3 8" thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty.