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The 2019 Subaru STI S209 has an intercooler sprayer, here's what it looks like when you activate it

The 2019 Subaru STI S209 gets a lot of features that distinguish it from your average WRX STI including wide body work, a giant wing, additional chassis braces and an extra 31 horsepower. It also brings back a performance gizmo that hasn't been featured in a U.S. market Subaru since 2007: the intercooler sprayer. As the name implies, it sprays cool water onto the air-to-air intercooler when pressing a button. In the case of the S209, that button is one of the paddles on the back of the steering wheel. That triggers the water nozzles hidden in the hood scoop to spray water. You can see what happens in the video below. Note that when the car is in motion, air would carry the spray farther back covering more of the intercooler. Now why would you want an intercooler sprayer? Well, the S209, like all WRX and STI models, uses an air-to-air intercooler to cool off hot air coming from the turbocharger on its way to the intake manifold. The cooler your air, the denser it is, meaning more oxygen to combine with fuel to turn into more power. The effectiveness of the intercooler depends partly on the temperature of the outside air flowing over the intercooler. If it's really hot out, it's not as effective. So spraying water onto the intercooler can counter this to ensure that the car is making maximum horsepower even in toasty conditions. This also means that although this may feel like some special secret performance-boosting weapon, it's really only effective in specific circumstances, and will just get you back to normal power, rather than make the car noticeably faster on the street. Long track days in the summer and after waiting in line at the drag strip or autocross are the kinds of situations where you could see power diminish due to hot air and a lack of moving air. Normal driving won't necessitate its use nor will driving in cool temperatures. In fact, the S209's owner's manual specifically says not to use the sprayer in temperatures below 41 degrees Fahrenheit because of the risk of frozen water in the tank. That brings us to another aspect of the intercooler sprayer: maintenance. In fairness, there isn't much to maintain, but if you want to use the system, you do need to keep the tank filled. It's located in the trunk where the spare tire would normally be. Inside of course is a water pump that connects to hoses that run water to the front. There is a warning light that will illuminate on the instrument panel if it runs low.

A closer look at the 2015 Subaru Legacy

The Subaru Legacy might not have been the hottest debut at the recent Chicago Auto Show, but for the Japanese automaker, it's hugely important. Much as we'd love to focus on Subaru's more engaging WRX, STI and BRZ models, the truth is, its the mainstream Forester, Outback and Legacy that make up the vast majority of the brand's sales, not to mention the Impreza and XV Crosstrek.
This new Legacy looks to gain a lot more traction in the mainstream market than its predecessor, with handsome, if familiar, styling, standard all-wheel drive, and more efficient powertrains. Under the hood, customers can choose between a 2.5-liter boxer-four, or a more powerful six-cylinder engine. Subaru says that the four-cylinder setup actually boasts class-leading fuel economy for all-wheel-drive vehicles in the Legacy's class.
West coast editor Michael Harley stopped by the Subaru stand for a closer look at the 2015 Legacy. Check it out in the video below.

2015 Subaru WRX: July/August 2014

Literally minutes after snapping the photo you see above, I was soaked - hit by the third round of storms that brought absolutely insane rainfall to Detroit this week. Amateur mistake, right there; if it looks like rain's a-comin', it's a-comin'. So if you're going to take pictures of the car, do it before it's too late.
But the thing is, I was having way too much fun driving around the suddenly empty streets of Detroit to worry about handling my photo shoot in a timely manner. Folks had been cautioned to stay off the roads ever since the rain first hit. Floods had shut down several of our major freeways, not to mention many surface streets. The threat of more severe weather had put caution in the air, forcing folks to batten down the hatches and settle in for even more horrendously wet weather.
The long-term 2015 Subaru WRX, however, eats this stuff up with a passion. Inclement weather? The turbocharged, all-wheel-drive, endlessly grippy Subaru just wants to play. And after getting to know our WR Blue WRX since its delivery in June and solidifying my belief that it's a total riot, even around town, I was not about to ignore Rex's desires to go play in the rain and make mischief on the deserted streets. Empty on-ramp antics were great fun, and tossing the car around corners in the wet showed no signs of slip. Ever. Wet hair and a damp t-shirt? Worth it.