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The stock box looks pretty restrictive so I thought it was worth a shot. Still don’t regret it though because it opened up a ton of space in the engine compartment and also makes it much easier to reach the oil filter. It’s crazy how much space the stock air filter takes up.
Waste of money if you ask me. I've done lots of dyno tests and CAIs are usually worth nothing and many times worse than stock. Adding an exposed snorkel to pull high pressure air won't even make a noticable difference on a boat.