|  AFE 49-44028 CAT Delete pipe for 2011 LML 6.6L Duramax The aFe Mach Force XP Cat-Delete downtube eliminates the use of the restrictive catalytic converter for maximum performance, lower EGT's and extreme mileage gains. This free flowing race pipe outflows the factory exhaust by 67% is constructed out of durable 4" mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a clean installation. This down tube also has a welded on Urea injector bracket for a clean place to hook up your Urea Injection Tubes. This system requires the use of a controller with a DPF-delete function. This is a "Race Only" product used solely for competition. Its use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. This system also requires an aftermarket electronic module to work properly with the vehicle. |