The BBK 1-5/8 in. Ceramic Coated Unequal Length Shorty Headers is are manufactured with 1 5/8" CNC mandrel bent tubing for un-restrictive airflow and a one piece laser cut flange for added strength and durability. ALL BBK Headers are Pressure tested to ensure leak free performance.
Each BBK Mustang shorty exhaust header for the 1986-1993 5.0L Ford Mustang has been designed and dyno tested at the BBK headquarters in Southern California to Maximize performance.
50-state legal, CARB EO# D-245-8