Quote:
Originally Posted by Bmw doubles
Just the OD and kept the stock filter in the hpfp. I should be able to make 550whp with this setup. With the 10 micron filter setup up to 700whp. One step at a time.
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Really the filter has that much restriction? I think if you already there wouldn't you want to just do that at the same time. The other thing is do you know how long before the filter needs to be washed?