EM hdr extension pipes w/high flow cats

Our extensions are designed to fit our EM long tubes to the stock resonator on  LT1 cars or fit into the reasonator on an aftermarket exhaust system (Corsa, Borla, Magnaflow).  The extension pipes also work on L98 cars for those who want to add a crossover or upgrade to a true dual exhaust.   The ceramic coating with protect the pipes from rust and keep the heat down under the floor boards. For Manual cars