Improve the sound and performance on your Chevy Silverado and GMC Sierra with premium headers from Stainless Works. American-Made and designed for the 2019+ Chevy Silverado and GMC Sierra 5.3L, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase air flow, and engineered to create power. These headers come with 3" slip-fit collectors, as well as high-flow catalytic converters that flow into 3" lead pipes, merging into a Y-pipe to allow an easy connection to your factory exhaust. Built from corrosion resistant 304 stainless steel, our headers are TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio. We stand by our products with a lifetime warranty on materials and craftsmanship, and as always, our products are proudly made in the USA.. Stainless Works, CT19HCATY, 2019+ Chevy Silverado 5.3L, 2019+ GMC Sierra 5.3L, 1-7/8" primaries, 3/8" Thick Flange, 3" Slip-Fit Collectors, 304 Stainless Steel, Y-Pipe, Catalytic Converter, Increased Air Flow, High Flow Cats, 3" Leads, CNC mandrel bent, Factory Connect, Mill Finish, TIG welded, Lifetime Warranty.. 2019-20 Chevy Silverado & GMC Sierra, 304 stainless steel, 3/8" thick flange, CNC mandrel bent 1-7/8" primaries into a 3" Slip-fit collector. Catted leads, comes with Y-pipe to connect to your factory exhaust.. Stainless Works 2019+ Chevrolet Silverado 5.3L Catted Headers 1-7/8in Primaries 3in Leads Y-Pipe. 2019 thru 2020 Chevy Silverado 1/2 Ton 5.3L and 2019 thru 2020 GMC Sierra 1/2 Ton 5.3L. Stainless Works, 2019+ Chevy Silverado 1500 & GMC Sierra 1500 Catted Headers.. Stainless Works Headers 1-7/8" With Catted Leads Factory Connect. Stainless Works 2019-20 Chevy/GMC Catted. Exhaust Header Pipe Kit. Exhaust System. Header Kit

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