Manufactured entirely from 304-stainless steel with thick flanges that will not warp like other stamped or cast flanges. Large 1.7" primaries collecting to a 2.375" OD tube via a smooth 4:1 merge. O2 sensor bung included after the merge.
Manual transmission only. EGR compatible.
Gasket included. Comes with a plug loosely installed in the oxygen sensor bung.