Mishimoto Universal Single-Pass Air-to-Water Heat Exchanger (500HP)

Mishimoto Universal Single-Pass Air-to-Water Heat Exchanger (500HP)

Marsoni

M251S

$187.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Mishimoto Universal Single-Pass Air-to-Water Heat Exchanger (500HP)There are some aspects of a build where corners can be cut, but your charge air cooling system shouldn't be one of them. Big turbochargers make big power, and big power often results in high temperatures. Within the last decade, we've seen many turbocharged vehicles transitioning to liquid to air intercooling systems. The air to water heat exchanger plays a vital role in these systems by reducing coolant temperatures before entering the intercooler.

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I bought this for my 2018 Honda Civic, and it fits perfectly. It only takes a few minutes to install with just a few clips, and the process is simple. I am a woman and do it myself with no issues at all. The filter feels sturdy and well made. The thickness and overall quality are excellent. I’ve seen people mention “ease of cleaning,” but I don’t clean mine. I just remove, vacuum the area and replace it when needed. That might be a bit much, but it’s affordable and straightforward. I can’t say exactly how much it improves airflow or fuel mileage, but I consistently get over 40 miles per gallon in economy mode, so it’s clearly performing well. Overall, it’s a great product if you like handling basic car maintenance on your own.

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Reviewed in the United States on May 11, 2025