BBK 1986-1993 Mustang 5.0L 2.5" High Flow H Pipe w/ Catalytic Converters

PART #1521 FEATURES: Bolt on 12-20HP in Minutes Mandrel Bent 2.5" Stainless Steel Tubing High Flow Catalytic Converters for Maximum Exhaust Flow VEHICLE FITMENT: 1986-1993 Mustang 5.0L Complete Your Header InstallBBK 1986-1993 Mustang GT, LX, and Cobra direct replacement H-pipes feature 2.5" diameter CNC mandrel bent stainless steel tubing with two high flow catalytic converters to ensure maximum flow horsepower and streetability. Maximum Exhaust FlowOEM original O2 sensor locations and factory style die-stamped flanges ensure a perfect fit and BBK In-house dyno-testing has shown solid gains of 12-20 horsepower depending on application. High flow catalytic converters are used for enhanced exhaust flow while keeping emissions and fuel smell low. Top Quality ConstructionEach BBK Mustang H-pipe offers performance quality and value that guarantees years of top performance for your Ford Mustang. EmissionsPlease Note: The new catalytic converters used in the manufacture and production of ALL BBK Performance high flow H and X exhaust pipes meet Federal EPA requirements. (N/CE - New aftermarket Converter) Federal Catalytic Converters are not legal for sale, installation or use on ANY licensed vehicle in the State of California. These converters do NOT carry an Executive Order number (EO number) and are NOT California CARB approved. Please check your state and local emissions laws to ensure compliance.