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Check your intake near the throttle body with a white paper towel. If you have oil residue, then a catch can will help. If you dont, then at least for the time being, it wouldn't help at all.
Conditions that lead to oil blowby into the intake change as the car ages and as your driving environment change.. So some people get it just in case.
If you're getting it "just in case", I wouldn't pay hundreds of bucks for a glorified aluminum can. Get a universal fit one (usually much cheaper) and just fab up a simple bracket
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