2006 Subaru Legacy Wagon Outback 2.5i Ltd on 2040-cars

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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.

Watch videos of the 2022 Subaru BRZ in motion

To coincide with what would have been the week of the 2020 Los Angeles Auto Show, Subaru unveiled the new BRZ to the world on Wednesday, Nov. 18, at 9 a.m. EST.  The official reveal video can be seen above, or go to Subaru's 2022 BRZ landing page, which currently houses teaser videos of the redesigned coupe being driven on some gorgeous mountain roads. We will update this post if Subaru provides any further means to watch the new car in action.  Here's a link to our reveal post on the new, more powerful 2022 Subaru BRZ. And below is more video:  

Days 3-5: Our 4 favorite Patagonia timelapse videos | Subarus in South America

Sorry for the break in daily updates, Autoblog In Patagonia fans. McGraw and I spent the last two nights at a hotel so remote, it doesn't even technically have an address – just coordinates. We barely had wifi access and couldn't even get a cell signal most of the time, but now we're back with another quick update about our adventures in South America. Since our last writing, we hopped in a Subaru Forester and checked out the massive Perito Moreno glacier, crossed the border into Chile and spent all of Thursday inside the Torres del Paine national park. We drove Outbacks and Crosstreks on some truly epic dirt roads up and down mountains, and even took a break to do a little fishing (we can't work all the time). Friday, our journey took us even more south to Punta Arenas, Chile, and on Saturday we'll cross the Straits of Magellan and head back into Argentina, to fulfill our quest of driving to the southernmost drivable point in the world (outside of Antarctica). Since we've had lots of time on our hands, we decided to take some timelapse videos of the epic scenery here in Chile, and that's what we're bringing you this time around, in the video above. We'll have another update soon. In the meantime, check out our Facebook, Twitter, and Instagram feeds to see what we've posted on our very spotty cell coverage. We can't wait to show you everything we experienced when the big, final story comes out later this month. Auto News Subaru Videos patagonia autoblog in patagonia