![]() That being said, there’s still plenty of room for improvements. The intercooler itself isn’t too bad, a decent sized core with lots of fins to help cool as good as it can. Mazda, I’ve got to call you out on this one, couldn’t you have just rotated the clamp, and kept the diameter in the pipe? Anyways, on to the intercooler itself. That’s right, its clearance for a hose clamp. Check out the worst area below, it’s tiny!Īnd what might be causing this reduction in diameter you may ask? The upper plastic section of the hot side has quite a few small radius bends, and a few areas where the pipe reduces in diameter severely, affecting the maximum flow and restricting the power of your 2.5T. This isn’t even the main issue with the hot side piping! In the image above, the main rubber section squishes under the small weight of the upper plastic section of the hot pipe. These allow for good flexibility on install and to allow for engine movement but will start to expand on higher than stock boost levels, increasing boost lag and decreasing throttle response. To start, the two rubber sections of the hot side are single ply. This, however, is where the good things end. The OEM piping takes a pretty direct route, and is a decent diameter for stock piping, starting & finishing at just under 2” inner diameter. The hot side piping must make its way all the way from the rear of the engine to the front of the car. ![]() As it is after the intercooler, the air has been cooled to make more power. Shown front and center in the above image.Ĭold Side Piping: Also known as just “cold side” or “cold pipes” this piping section carries the pressurized air from the intercooler to the engine. ![]() The end tanks are what transfer the air from the piping to the core while the core is the actual heat exchanging portion. It is made up of three parts the “end tanks” and the “core”. The same way a radiator works except with air inside instead of coolant. Air flows through the inside and is cooled by air flowing through the outside while you drive down the road. or even more on a turbo that’s too small). As it is before the intercooler, the air has not been cooled and the “hot” name is quite accurate (think 200-250☏. Hot Side Piping: Also known as just “hot side” or “hot pipes” this piping section carries the pressurized air (boost!) from the turbocharger to the intercooler. To understand how to make a performance part, we first have to understand what makes the stock parts tick and where we can improve them, which is what we will be covering today!įor those of you that are new to the boosted lifestyle, I feel that I should go over a few terms that will be thrown around frequently later in this blog. We’ve already mentioned briefly that we have an upgraded intercooler kit in the works for the SkyActiv 2.5T, but now it’s officially time to dive in and get into how and why a Mazda 6 upgraded intercooler kit is a good fit.
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