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kooks headers

  1. JakeLethal

    NEW Kooks Catbacks PLUS SAVE on ALL Kooks NOW!

    ALL NEW Kooks Catbacks for 2018-2024 Mustang GT + SAVE on ALL Kooks Exhaust NOW! Made from the highest quality 304 Stainless Steel right here in the USA, Kooks’ all new Valved 3" Touring and 3" Shotgun Catback Exhausts for the 2018-2024 Mustang GT are now available to order here at Lethal...
  2. JakeLethal

    NEW Kooks Catbacks PLUS SAVE on ALL Kooks NOW!

    ALL NEW Kooks Catbacks for 2018-2024 Mustang GT + SAVE on ALL Kooks Exhaust NOW! Made from the highest quality 304 Stainless Steel right here in the USA, Kooks’ all new Valved 3" Touring and 3" Shotgun Catback Exhausts for the 2018-2024 Mustang GT are now available to order here at Lethal...
  3. JakeLethal

    NEW Kooks Catbacks PLUS SAVE on ALL Kooks NOW!

    ALL NEW Kooks Catbacks for 2018-2024 Mustang GT + SAVE on ALL Kooks Exhaust NOW! Made from the highest quality 304 Stainless Steel right here in the USA, Kooks’ all new Valved 3" Touring and 3" Shotgun Catback Exhausts for the 2018-2024 Mustang GT are now available to order here at Lethal...
  4. Long tube headers on s650 GT really worth it without tuning?

    Hey guys, I know this question been asked many times in this form but haven’t gotten any solid responses. One of the YouTube videos recently showed adding Kooks long tube headers added 12 more hp with dyno test. So wondering without tuning available for s650 yet are they worth investing in...
  5. Stang24

    Drag strip times after Kooks Longtube headers & AWE Switchpath exhaust (2024 Mustang GT)

    Took my Mustang GT to the drag strip after after adding kooks long tube headers and AWE switch path exhaust. Let’s just say we saw some good trap speed gains and better quarter mile times! Worth it in my opinion!
  6. Long tube headers installation in CO region

    Has anyone in CO installed long tube headers on their s650 mustang GT? Lot of performance shops I call say it’s illegal to install them in CO area. Any work around apart from me installing it by myself?
  7. Stang24

    AWE Exhaust paired with KOOKS headers on 2024 Mustang GT - parts look & video sound clips

    Just got my AWE cat back exhaust installed paired with KOOKS long tube headers. In my opinion I think it sounds like no other coyote it has a very unique defined tone much better than any X pipe mustangs. Let me know what you guys think. Thanks @Sara/AWE for the help with the exhaust.
  8. Stang24

    Kooks headers on my 2024 Mustang GT - sound clip video

    Just got some kooks headers installed from @LethalPerformance really wakes up the coyote If you’re interested in headers or wondering how it sounds check out my video!
  9. Ryansomething

    DIY Cerakote for headers

    Today I will start prepping my Kooks headers for Cerakote high heat ceramic coating. I’m going to be using easily available and affordable stuff I bought from amazon to do the job and I will give my honest feedback on the process. I will update the thread with pictures after each stage. To start...
  10. JakeLethal

    Lethal Performance by Kooks Headers IN STOCK!

    Good Morning, #teamlethal fans! Happy Monday! We just got a FRESH batch of our Lethal Performance by Kooks 1-7/8 Headers & Competition Only Connection Kits! 1 7/8" x 3" Stainless Steel Long Tube Headers Includes Stainless Steel Off Road Connection Pipes for OEM Cat Back Connection All O2...
  11. JakeLethal

    Lethal Performance by Kooks Headers IN STOCK!

    Good Morning, #teamlethal fans! Happy Monday! We just got a FRESH batch of our Lethal Performance by Kooks 1-7/8 Headers & Competition Only Connection Kits! 1 7/8" x 3" Stainless Steel Long Tube Headers Includes Stainless Steel Off Road Connection Pipes for OEM Cat Back Connection All O2...
  12. JakeLethal

    Lethal Performance by Kooks Headers IN STOCK!

    Good Morning, #teamlethal fans! Happy Monday! We just got a FRESH batch of our Lethal Performance by Kooks 1-7/8 Headers & Competition Only Connection Kits! 1 7/8" x 3" Stainless Steel Long Tube Headers Includes Stainless Steel Off Road Connection Pipes for OEM Cat Back Connection All O2...
  13. JakeLethal

    Lethal Performance by Kooks Headers NOW SHIPPING!!

    Morning, Everyone! You saw us tease and post about them, but they have arrived and are now Shipping! As quickly as same day! These are our Lethal Performance by Kooks 1-7/8 Headers & Competition Only Connection Kit (2015-2024 Mustang GT 5.0L) - 1151H412-LP Lethal Performance by Kooks 1-7/8...
  14. JakeLethal

    Lethal Performance by Kooks Headers NOW SHIPPING!!

    Morning, Everyone! You saw us tease and post about them, but they have arrived and are now Shipping! As quickly as same day! These are our Lethal Performance by Kooks 1-7/8 Headers & Competition Only Connection Kit (2015-2024 Mustang GT 5.0L) - 1151H412-LP Lethal Performance by Kooks 1-7/8...
  15. JakeLethal

    Lethal Performance by Kooks Headers NOW SHIPPING!!

    Morning, Everyone! You saw us tease and post about them, but they have arrived and are now Shipping! As quickly as same day! These are our Lethal Performance by Kooks 1-7/8 Headers & Competition Only Connection Kit (2015-2024 Mustang GT 5.0L) - 1151H412-LP Lethal Performance by Kooks 1-7/8...
  16. JakeLethal

    NEW NEW NEW Lethal Performance Headers By Kooks!!

    Hey, ALL! Happy Wednesday! That's right, NOW AVAILABLE is our ALL NEW Lethal Performance Headers, by Kooks. Works for all 2015-2024 Year Models! 1 7/8" x 3" Stainless Steel Long Tube Headers Includes Stainless Steel Off Road Connection Pipes for OEM Cat Back Connection All O2 Bungs And...
  17. JakeLethal

    NEW NEW NEW Lethal Performance Headers By Kooks!!

    Hey, ALL! Happy Wednesday! That's right, NOW AVAILABLE is our ALL NEW Lethal Performance Headers, by Kooks. Works for all 2015-2024 Year Models! 1 7/8" x 3" Stainless Steel Long Tube Headers Includes Stainless Steel Off Road Connection Pipes for OEM Cat Back Connection All O2 Bungs And...
  18. JakeLethal

    NEW NEW NEW Lethal Performance Headers By Kooks!!

    Hey, ALL! Happy Wednesday! That's right, NOW AVAILABLE is our ALL NEW Lethal Performance Headers, by Kooks. Works for all 2015-2024 Year Models! 1 7/8" x 3" Stainless Steel Long Tube Headers Includes Stainless Steel Off Road Connection Pipes for OEM Cat Back Connection All O2 Bungs And...
  19. JakeLethal

    Kooks Headers NOW AVAILABLE for your 2024 Mustang!!

    Good Morning, EVERYONE! NOW AVAILABLE, Kooks Headers for your 2024 Mustang! You read that correctly! Kook’s Headers and Exhaust just released their ALL NEW Headers & connection pipes for the 2024 Ford Mustang GT! With an all new design made specific for the 2024 model year, these headers are...
  20. JakeLethal

    Kooks Headers NOW AVAILABLE for your 2024 Mustang!!

    Good Morning, EVERYONE! NOW AVAILABLE, Kooks Headers for your 2024 Mustang! You read that correctly! Kook’s Headers and Exhaust just released their ALL NEW Headers & connection pipes for the 2024 Ford Mustang GT! With an all new design made specific for the 2024 model year, these headers are...





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