i have a log manifold made by me. its 304l sch 10 stainless with mild steel flanges. it has a t3 flange for a b series and a tial 38mm wastegate flange. the downpipe is mils steel with a mild steel 4 bolt flange and one o2 bung and is fully 3", comes with flex pipe. the dump tube is also mild steel with a tial 38mm mild steel flange. everything is used, but it was only on the car for about a week. everything is still in perfect conditions. Im asking 480 plus shipping obo email: email@example.com aim: speedisntkillnme here are some pics.