Funny you mention Costco, I just went there yesterday and got a set for my wife's Jeep.
I was going to get for the 330 also, but FCP is on sale, and...
I'm also using the PIAA silicone wipers. The set that came with the car from the previous owner lasted well over 2 years. Tried rubber again, and now...
Replaced the pulleys. Recent rain and humidity had them squeeking. Went to a Pick a Part junk yard with my younger son yesterday looking for 6 or so...