headers
Kooks and QTP's Velocity spike collectors outperform all other headers hands down.
The y-pipe can be a pain, but a little patience will fix ya' up nice ;D
QTP baby...
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Header design is very important and on a highly tuned motor can make a big difference.
However a mildly modified bolt motor will see very little performance difference between them.
If you want to spend to money go for it, but most likely you'd see the exact same gains with the Pacesetters or Hookers.
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