water injection for turbo usually use the pressurize air (boost) from turbo to "push" water from sealed water container (with controlled vent) to inlet pipe after air filter or turbo.
appropriate nozzle to make small mist of water droplets required to make sure it "blend" with intake air.
water injection benefit from colder air intake temperature and thus some power increment can be felt.
I'm replacing my OEM coilpacks but torn in between two brands.
Which of the above is the best as regards performance and value for money. I know a little about splitfires but know zero about yellow jackets as i have...