{"product_id":"afe-twisted-steel-headers-up-pipes-down-pipe-11-15-gm-diesel-trucks-v8-6-6l-td-lml","title":"aFe Twisted Steel Headers Up-Pipes \u0026 Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML","description":"Stainless Steel Construction: The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120\" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2\" and 3\" mandrel-bent 304 brush finished stainless steel tubing.Optimized Tube Lengths: Tube lengths and mitered collectors are optimized for true pulse control technology which improves flow and performance across the power band.Heavy-Duty Flanges: A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal.EGT Ports: Two exhaust gas temperature (EGT) ports are provided with this system. A 1\/8 NPT EGT probe port is incorporated into the driver™s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment.4\" Interlock Flex Pipes: The up-pipes utilizes heavy duty 4\" flex tubes with internal interlock liners.Retains EGR Flange: This system retains the EGR flange.Factory Mounting Locations: These headers utilize factory locations making it a true bolt-on system, no cutting or drilling required and includes all necessary hardware for a hassle-free installation.Fitment Note: This item will not fit models manufactured after July 2014 equipped with a 3 bolt flanged down-pipe.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.","brand":"aFe","offers":[{"title":"Default Title","offer_id":43900530524248,"sku":"AFE48-34139","price":2593.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7797\/5384\/files\/fb285d08fce60c3bfd40db4516ab35aa.jpg?v=1774098871","url":"https:\/\/saccityautoparts.com\/products\/afe-twisted-steel-headers-up-pipes-down-pipe-11-15-gm-diesel-trucks-v8-6-6l-td-lml","provider":"Sac City Auto Parts ","version":"1.0","type":"link"}