EMPI's new premium extractors are made from 1 3/8" 16 gauge steel with extra thick flanges. Tubes are mandrel bent to insure smooth exhaust gas flow. All flanges are surface ground to ensure a flat sealing surface and finish ground on I.D.'s. The 3-bolt muffler flange is at the 1:00 position and will accept P/N 3200, 3201, 3202, 3206, 3122, 3123, 55-3122, 55-3123, 3763 mufflers and P/N 3696, 55-3696, 3697, 3477 stingers. Comes with high quality gaskets, stainless steel bolts and copper nuts to resist corrosion. Fits Type 1 66-73, 1300-1600cc and Type 2