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  1. Kooks 1-3/4" x 3" SS Headers. 2011-2014 Mustang GT 5.0L. - 11412200
    $1,119.24

    Kooks 5.0L Mustang 1-3/4" x 3"  Longtube Headers

     

    Lethal Performance is proud to announce the Kooks Custom Longtube Header System for the all new 5.0L Mustang. If you guys don't know Kooks has been bending and welding custom headers for over 45 years! The end result is one of the nicest works of art that you could ever imagine putting on your car. The Kooks Custom Headers for the 5.0L Mustang are Mandrel Bent out of T-304 Stainless Steel and welded with one thing in mind.."Precision"

    The 5.0L Mustang Headers are also made with 1-3/4" Primaries which all flow into a 3" Merge Collector to mate with your choice of X-Pipe from Kooks.

    Not only do these headers add performance but the sound of your 5.0L will be turned into what it should be. A deep muscle car sound is what you can expect from these bad boys!!

    The Kooks header kit comes complete with all necessary hardware and 02 extensions!

    If you have any questions regarding any of Kooks exhaust products please feel to call your Lethal Performance Sales Associate today.

    Learn More
  2. Kooks 1-7/8" x 3" SS Headers. 2011-2014 Mustang GT 5.0L. - 11412400
    $1,229.75

    Kooks 5.0L Mustang 1-7/8" x 3"  Longtube Headers

     

    Lethal Performance is proud to announce the Kooks Custom Longtube Header System for the all new 5.0L Mustang. If you guys don't know Kooks has been bending and welding custom headers for over 45 years! The end result is one of the nicest works of art that you could ever imagine putting on your car. The Kooks Custom Headers for the 5.0L Mustang are Mandrel Bent out of T-304 Stainless Steel and welded with one thing in mind.."Precision"

    The 5.0L Mustang Headers are also made with 1-7/8" Primaries which all flow into a 3" Merge Collector to mate with your choice of X-Pipe from Kooks.

    Not only do these headers add performance but the sound of your 5.0L will be turned into what it should be. A deep muscle car sound is what you can expect from these bad boys!!

    The Kooks header kit comes complete with all necessary hardware!

    If you have any questions regarding any of Kooks exhaust products please feel to call your Lethal Performance Sales Associate today.

    Learn More
  3. Kooks 2" x 3" SS Headers. 2011-2014 Mustang GT 5.0L. - 11412600
    $1,598.18

    2" x 3" Stainless Steel Long Tube Headers
    Must Be Used With Kooks X Pipe or H Pipe
    All O2 Bungs And Emissions Components Installed
    All Hardware Required For Install Is Included
    These products are not legal for sale, installation, or use on licensed vehicle in the state of California. And they do NOT meet CARB complianceLearn More
  4. Kooks 3" x 2-3/4"(OEM) SS Off-Road Race Only H-Pipe. 2012-2013 Mustang Boss 302 5.0L. - 11413410
    $1,751.66

    If you're looking to run a set of Kooks longtube headers on your Boss but want to retain the use of the Boss side pipes than this is what you'll want. It's a direct fit for all Kooks 2012-2013 Boss Longtube headers and mates with your factory or aftermarket 2-3/4" over axle pipes. Made from T304 stainless steel and mandrel bent. Learn More
  5. Kooks 3" x 2-3/4"(OEM) SS Off-Road Race Only X-Pipe. 2011-2014 Mustang GT 5.0L. - 11413100
    $1,299.62

    Kooks 5.0L Mustang 3" x 2-3/4" Off Road X pipe

     

    **For use with Kooks headers with 3" Collectors**

    In addition to running Kooks header we suggest you compliment them with a matching X-Pipe. Kooks X-Pipes are specifically made for their headers and are available in Catted and Offroad Versions. Bolts up to factory cat-back exahust system or any other aftermarket cat-back systems that use stock sized (2-3/4") connections.

    Learn More
  6. Kooks 3" x 2-3/4"(OEM) SS GREEN Catted H-Pipe. 2011-2014 Mustang GT 5.0L. - 11413600
    $2,149.42

    Kooks 5.0L Mustang 3" x 2-3/4" Catted H pipe

     

    **For use with Kooks headers with 3" Collectors**

    In addition to running Kooks header we suggest you compliment them with a matching H-Pipe. Kooks H-Pipes are specifically made for their headers and are available in Catted and Offroad Versions. Bolts up to factory cat-back exahust system or any other aftermarket cat-back systems that use stock sized (2-3/4") connections.

    Learn More
  7. Kooks 3" x 2-3/4"(OEM) SS GREEN Catted X-Pipe. 2011-2014 Mustang GT 5.0L. - 11413300
    $2,109.62

    Kooks 11413300 2011-2014 Ford Mustang GT 3" Stainless Steel Green Catted X Pipe 5.0L

    DESCRIPTION
    3" Stainless Steel GREEN Catted X Pipe
    Includes Kooks Ultra High Performance Green Cats
    49 State EPA approved Catalytic Converter
    2 3/4" Outlet For Use With Factory Exhaust
    Must Be Used With Kooks Long Tube Headers
    These products are not legal for sale, installation, or use on licensed vehicle in the state of California. And they do NOT meet CARB compliance.
    Learn More
  8. Kooks 3" x 2-3/4"(OEM) SS Off-Road Race Only H-Pipe. 2011-2014 Mustang GT 5.0L. - 11413400
    $1,339.42

    Kooks 5.0L Mustang 3" x 2-3/4" Off Road H pipe

     

    **For use with Kooks headers with 3" Collectors**

    In addition to running Kooks header we suggest you compliment them with a matching H-Pipe. Kooks H-Pipes are specifically made for their headers and are available in Catted and Offroad Versions. Bolts up to factory cat-back exahust system or any other aftermarket cat-back systems that use stock sized (2-3/4") connections.

    Learn More
  9. Kooks 3" x 2-3/4"(OEM) SS GREEN Catted H-Pipe. 2012-2013 Mustang Boss 302 5.0L. - 11413610
    $2,561.66

    If you're looking to run a set of Kooks longtube headers on your Boss but want to retain the use of the Boss side pipes than this is what you'll want. It's a direct fit for all Kooks 2012-2013 Boss Longtube headers and mates with your factory or aftermarket 2-3/4" over axle pipes. Made from T304 stainless steel and mandrel bent. Learn More

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