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What about K.R.D. or Kundo Parts?

I think that exhaust is a good choice.
I've heard that the F1 is a exhaust which has a pretty high rpm.
 
220 ex...........
150 transfers.............

you sure you wanna run that set up?
you'll gonna have a migrain tuning your set-up.
get rid of KRD cilinder & use MHR Speed/EVO/ Manston cilinder. bigger isn't always better when it comes to ports.