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  1. JBA 05-2010 GT 1.5" 409 Stainless Steel Cat4ward® Shorty Headers

    JBA 05-2010 GT 1.5" 409 Stainless Steel Cat4ward® Shorty Headers

    $589.95

    JBA 05-10 GT 1.5" 409 Stainless Steel Cat4ward Shorty Headers

    Header Features:
  2. 3/8" thick laser-cut flanges
  3. Mandrel-bent 409 stainless steel primary tubes
  4. Patented JBA Firecone merge collector
  5. Premium quality hardware and gaskets
  6. Bolt-on installation
  7. Optional ceramic coating (thermal barrier)


    8. Lethal Performance is proud to announce the release of JBA's new 50 state smog legal Cat4ward headers for the 05 Mustang V8 and V6. As featured on the Vortech Supercharged 4.6L 3v engine displayed at the SEMA show, the new V8 headers feature JBA's standard heavy-duty construction and patented technology to deliver the performance and reliability you expect. Beginning with oversized "D" shaped ports for the new 3v heads and smooth flowing mandrel-bent tubing - these headers open up the exhaust for increased performance and efficiency without compromising the factory emission equipment. Extra thick .375" CNC laser-cut flanges ensure a tight seal and trouble free performance without leaks from warping. Each kit comes complete with quality hardware, gaskets and instructions for a complete installation. Note: These are the only headers available for the 2005 Mustang GT that are 50 state smog legal. Another JBA first. CARB E.O.# D-216-28Learn More
  • JBA 05-2010 GT 1.5" Silver Ceramic Coated Cat4ward Shorty Header

    JBA 05-2010 GT 1.5" Silver Ceramic Coated Cat4ward Shorty Header

    $809.95

    JBA 05-10 GT 1.5" Silver Ceramic Coated Cat4ward Shorty Headers

    Header Features:
  • Silver Ceramic Coated
  • 3/8" thick laser-cut flanges
  • Mandrel-bent 409 stainless steel primary tubes
  • Patented JBA Firecone merge collector
  • Premium quality hardware and gaskets
  • Bolt-on installation
  • Optional ceramic coating (thermal barrier)


    • Lethal Performance is proud to announce the release of JBA's new 50 state smog legal Cat4ward headers for the 05 Mustang V8 and V6. As featured on the Vortech Supercharged 4.6L 3v engine displayed at the SEMA show, the new V8 headers feature JBA's standard heavy-duty construction and patented technology to deliver the performance and reliability you expect. Beginning with oversized "D" shaped ports for the new 3v heads and smooth flowing mandrel-bent tubing - these headers open up the exhaust for increased performance and efficiency without compromising the factory emission equipment. Extra thick .375" CNC laser-cut flanges ensure a tight seal and trouble free performance without leaks from warping. Each kit comes complete with quality hardware, gaskets and instructions for a complete installation. Note: These are the only headers available for the 05-09 Mustang GT that are 50 state smog legal. Another JBA first. CARB E.O.# D-216-28Learn More
  • JBA 05-2010 GT 1.5" Titanium Cer. Coated Cat4ward Shorty Headers

    JBA 05-2010 GT 1.5" Titanium Cer. Coated Cat4ward Shorty Headers

    $829.95

    JBA 05-10 GT 1.5" Titanium Ceramic Coated Cat4ward Shorty Headers

    Header Features:
  • Titanium Ceramic Coated
  • 3/8" thick laser-cut flanges
  • Mandrel-bent 409 stainless steel primary tubes
  • Patented JBA Firecone merge collector
  • Premium quality hardware and gaskets
  • Bolt-on installation
  • Optional ceramic coating (thermal barrier)


    • Lethal Performance is proud to announce the release of JBA's new 50 state smog legal Cat4ward headers for the 05 Mustang V8 and V6. As featured on the Vortech Supercharged 4.6L 3v engine displayed at the SEMA show, the new V8 headers feature JBA's standard heavy-duty construction and patented technology to deliver the performance and reliability you expect. Beginning with oversized "D" shaped ports for the new 3v heads and smooth flowing mandrel-bent tubing - these headers open up the exhaust for increased performance and efficiency without compromising the factory emission equipment. Extra thick .375" CNC laser-cut flanges ensure a tight seal and trouble free performance without leaks from warping. Each kit comes complete with quality hardware, gaskets and instructions for a complete installation. Note: These are the only headers available for the 05-09 Mustang GT that are 50 state smog legal. Another JBA first. CARB E.O.# D-216-28Learn More

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