Commonly known as Power Pipes, this exhaust system provides a cool and unique sound. Used when rear of car doesn't permit conventional exhaust to be installed. Made from 1-3/8 inch stainless steel tubing. Also available are muffler inserts when noise is not desirable. Fits with most single and dual carburetors. Four (4) muffler / baffle inserts are required. For the correct inserts, see our part number ACC-D-2539, sold each.