2007-2010 Shelby GT500 1-7/8" headers and lead pipes with X-pipe. Choose between high-flow catalytic converters or off-road pipes. Tig welded 304 s/s headers with 3/8" thick flanges and smooth flow collectors. Oval exhaust ports that are an exact match to the factory cylinder head. 3" OD slip joint collectors with merge spikes. Fits factory connection point for use with factory or Stainless Works exhaust.