Featuring the EMPI Premium Extractor, made from 1 3/8", 16 gauge steel mandrel bent for smooth flow and good looks. Extra thick flanges are surface ground to ensure flat sealing surface and finish ground on I.D.s. Collector is centered and the small 3-bolt flange is at the 1:00 position. Available with Single or Dual Quiet Mufflers ¦totally redesigned for a perfect, level fit. Comes with high quality gaskets, stainless steel bolts and copper nuts to resist corrosion. Available with Black painted finish or super durable Ceramic Silver Coat. Fits Type 1 66-73, 1300-1600cc.