JBA 1-7/8" Stainless Steel Long Tube Headers for 2011-2014 5.0L Mustangs.JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. These long tube designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range.All JBA long tube headers feature large mandrel-bent stainless steel primary tubes, oversized exhaust ports, extra thick 3/8" one piece flanges, and patented JBA Firecone? merged collectors for smooth flow. Each system is designed to give the maximum amount of ground clearance possible so lowered cars do not drag the collectors on speed bumps.JBA Long-Tube Header Features:- Mandrel bent 1-7/8" stainless steel primaries with 3" collectors- Extra thick 3/8" one-piece flanges- JBA Firecone? merged collectors- Pair of oxygen sensor extensions includedJBA Long Tube Headers are available in a variety of finishes, including a Natural finish, a Silver Ceramic finish or a Titanium Ceramic finish. Each system includes high quality hardware and thorough instructions for a professional no-leak installation.
3 - This product is Not legal for Street or Off Highway use in California or in states that have adopted California Emissions Regulations and is only intended for Closed Course Competition use, except 1965 and Older US manufactured California Certified vehicles, 1967 or older US manufactured Federally Certified vehicles, or 1967 and older Foreign manufactured vehicles which may have any aftermarket add-on or modified part installed as long as the vehicle can still meet the tailpipe emission standards for the year of the vehicle and retain any original or retrofit crankcase control (PCV) devices and NOx device required for the year of the vehicle.