a lot of people on MM Forums seem or never really heard of JBA-6635s , Mid-length header,s part number, i did not want the full length headers , i live in hilly town, and ground clearence , i hope they install easy , my shop is willing to take on project ,Hey you ever heard of ( Percy ) Header gasket,s Part ## PHP-66034 ,at Summit Racing ,there multi-layer crush style aluminium gasket , suppose to help eliminate ,header gas leaks and blow-outs