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Interested in buying the lower half or complete stock intake box. Let me know if you have one available for sale.

New FL5 owner here and still breaking in everything. IMHO, IAT numbers in the stock configuration are way too high over ambient. Even when cruising above 20 MPH, I am seeing IAT at the output of the filter box averaging over 45 degrees F higher. Being stopped at a traffic light for 30 seconds...

There are quite a few things that can be done given what we have to work with. I will start another thread so the topic is more visible to others to chime in on what they have done.

I'm looking and learning...The FL5 now has a little over 300 miles and is still being broken in gradually. The front mount turbo is new to me. Cool for upgrading but not for keeping components under the hood actually cool. Stock wise, IAT numbers are way too high over ambient. Even when...

I'm good.

An alternative consideration would be...How would the existing electronics and their algorithms handle receiving real verses computed inputs from other dependent components? It all depends on the sender and receiver.

Why do you "need" to see actual oil temperatures? Simple solution would be to install a separate sensor wherever an oil temp reading is needed for datalogging and fed into another independent system for analysis. Oil temp only tells you one data point though depending on where the sensor...

I scanned through this thread but did not read every post. That being said, modern cars run coolant through parallel systems in order to get everything hot as quickly as possible. In the case of emissions, a common manufacturer preference is to run a hotter thermostat since a hotter running...

I checked it out and not really...Just my opinion.

Sorry to hear of your woes. With modern cars, it is important to do upgrades in baby steps to see how the electronic systems like or don't like the changes along the upgrade path.. Doing multiple upgrades at one time makes it more difficult to troubleshoot the root cause. Since you already...

Did Wagner or any other company flow test the FL5 OEM intercooler for an apples to apples comparison to their "upgraded" offering? Comparing their intercooler to those in other vehicle offerings is not a fair comparison. Not knocking Wagner at all. They make a decent intercooler but sometimes...

Not saying that the FL5 has overheating issues. Just that I can see that some components may warrant upgrading to help shed heat in the most optimal manner. One can see variants in oil & coolant temps when stabilized during driving and how the they go up in stop & go traffic. Temps don’t...

I am still breaking the FL5 in but can already tell that I have some concerns with its ability to dissipate heat. Past experience (particularly with rotaries), shifted my focus to look at cooling efficiency on every car that I have owned to ensure that priority number one should be thermal...

First mods for this and many other cars in the category should be a replacement of the inefficient intercooler and radiator at the same time. The stock thermostat is good but the intercooler seems to be constantly heat soaked where output temps are too high. If charge temps are more near...

Thanks...As for the FL5, I want to keep it stock for the most part. Only changes at this time that I am thinking is an upgraded intercooler and radiator from Full-Race once available and Hondata to unlock tuning. Everything else IMHO is good.

Holy crap that is one huge ass intercooler. What is the pressure drop and are there fins in the end tanks to direct flow across the grid (particularly the top area)? Wagner makes a decent intercooler but I'd rather hold off on other options.

Here is a dyno video of my previous 8th Gen Civic Si. Numbers at the time were actually 535 HP / 373 TQ at the wheels on 93 pump and 582 HP /419 TQ using 100 Octane race gas.

Other than the FL5 acquisition, I was also fortunate to buy another car recently as a side project (Stock 1964 Impala SS with 16k on the clock that had been sitting for 20 years). Good times ahead.

I had a 2023 Civic Hatchback Touring (commuter car). When picking it up from recall work being completed, I noticed a CW FL5 in the showroom. We worked the numbers and I got a sweet deal for my new commuter car. ;) I am not new to this platform as my previous project car was a 2006 (8th gen)...