Private Label MFG D Series Narrow 4-1

Private Label MFG Power Driven Narrow header for D-series features a true 4-1 merge , for more equal exhaust flow, this header delivers the best peak horsepower gains while utilizing a 2 piece design.  This header can be installed utilizing your stock OEM Catalytic converter (CAT), but it is recommended that you use it with our test pipes to have the best potential gains.