2015 LS3 Kooks Headers

A simple Kooks Headers install and dyno tune netted this 2015 an additional 32 rwhp & 25 ft/lbs tq! Ending up at 426 rwhp & 416 ft/lbs tq, it feels great now and has also paved the way for more modifications in the future!

 

 

 

 

  

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