STAINLESS WORKS: 1985-91 SB L98 C4 Chevy Corvette Headers 1-5/8" Primaries 2-1/2" Collectors 2-1/2" Y-Pipe m1 airbox geometry is 3D scanned

airbox geometry is 3D scanned and optimized

This cover overlay is constructed of lightweight high gloss

This additional weight reduction allows us to use larger diameter tubing and thicker mounting plates for additional strength over other companies’ K-members

This system offers a washable/reusable "oil-free" synthetic conical air filter that directly mounts to a billet 3-angle filter adapter that directs the air into the intake tract for better performance

Model: 4239073M   (Black/Manual)        (Black/Auto)

STAINLESS WORKS: 1985-91 SB L98 C4 Chevy Corvette Headers 1-5/8" Primaries 2-1/2" Collectors 2-1/2" Y-Pipe m1 airbox geometry is 3D scannedStainless Works Stainless Works Headers 1 5 8" Includes AIR Tubes Factory & Performance Con (1985 1991 Corvette) C485911985 91 L98 C4 Corvette Headers. These headers feature 1 5 8" primary tubes, a 3 8" thick flange to prevent warping, 2 1 2" slip joint collector, and include 2 1 2" y pipe. Will require cutting and welding to connect to stock or aftermarket exhaust system. Includes AIR tubes and O2 bungs. Stainless Works is an industry leader in