Schoenfeld 1-7/8" SB Chevy 18 Degree Exhaust Flange H775C15XS It improves shifting

It improves shifting

Keep your car hooked up

2017-2017 BMW 430i

Adapter is fitted with 5/8"-11 coarse thread studs and measures 1" thick

Schoenfeld 1-7/8" SB Chevy 18 Degree Exhaust Flange H775C15XS It improves shiftingFlange Thickness is 1 4". Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers, insert mufflers, mandrel bends, exhaust reducers, header gaskets, and more. Product Description: Header