Dual Muffler Kit for 1.5 inch side exit header replaces the single muffler on the SS44 side exit Will only fit the 1.5inch header and WILL NOT FIT the 1 5/8inch header
See Dual muffler system for further detail
http://www.vwspeedshop.com/product.php?productid=16765&cat=476&page=1
