Virtually indestructible 100% stainless TorqueTubes maximize exhaust extraction, unleashing gobs of torque. Exclusive tuned-length, parallel 5-tube exhaust manifolds designed specifically for motorhomes. 5-Year Limited stainless steel construction never cracks or blows. Mandrel-formed tubes tune exhaust flow for maximum torque. Patented PowerPickleTM pulse converter maximizes exhaust extraction. No sealant or gaskets required. 1/2 inch thick flanges never warp. Flanges welded both sides, then milled flat. Includes stainless Y-pipe assembly with seamless Y-collector. Includes necessary heat shielding. 5-Year Limited Warranty PartNumber : gbe49185 Description : Banks Power 04-12 Ford 6.8L Mh C E-S/D Torque Tube System Add-On Part : NA Title : Torque Tube Exhaust Header System 04 (05-12 Requires 66062) Ford 6.8L Class-C Motorhome E-S/D Super Duty Banks Power 2004 Ford E-450 Super Duty Base V10.-cc Exhaust, Mufflers & Tips::Headers & Manifolds 2010-2012 Ford E-450 Super Duty Base V10.-cc Exhaust, Mufflers & Tips::Headers & Manifolds