K-TUNED BIG TUBE K-SWAP HEADER K20A K24ZApplications: Fits K20 & K24 engine swaps in EG, DC2 and EK chassis (Does not fit with EKK1 mounts) The K Tuned Big Tube Swap Header was designed for more aggressive K Swap cars with modified naturally aspirated engines that are looking to reach full power potential. Engine modifications like bigger cams, ported cylinder heads, increased compression ratio and or increased displacement all breathe heavier, so using a small header on these engines just