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HPS Performance Air Intake Development | Acura TLX Type S 3.0L Turbo

February 16, 2023 3 min read

Acura's Type-S model line is back after a near decade long hiatus. Bringing back the spirit of performance from the RSX and the TL, the second generation Acura TLX Type S stirred up a commotion when the new model was announced. With 355 horsepower delivered by a turbocharged 3 liter V6, it is the most powerful Acura sedan produced to date. Excited as most automotive enthusiasts are, we were thrilled to bring this vehicle in to learn more about it.

HPS Performance 2023 First Project of the year Acura TLX Type S

Driving this car completely stock felt a bit more refined than our 2.0L Turbo Honda Accord. Everything was "more" with the TLX. Two more cylinders and 1 liter more displacement, the TLX is impressively quick.

Although the car was fast, we felt that the TLX Type S was lacking in excitement when we got on the gas pedal. Understandably for an Acura, noise had to kept to a whisper to meet NVH requirements. So our first project with this vehicle was to develop an air intake kit. Our goals were to open up the intake to let the engine breathe more freely and to improve the way the car sounds.

HPS First Prototype design 3D scan stock air box and maf intake tube 2021-2023 Acura TLX Type S 3.0L Turbo

After the first look under the hood, we could already tell it would be difficult to produce an intake system as the space was limited. Looking at the stock intake, we can see that there is very little distance before the MAF housing. This could be a concern as it would limit us on the choice of air filter we could use.

HPS First Prototype design a first look at stock Air Box design 2021-2023 Acura TLX Type S 3.0L Turbo

Once we saw the space we had to work with, we took some measurements with our 3D scanner and began mocking up an intake. We chose a 3.5" mandrel bend and reduced the bend angle to keep any restrictions in the intake tract to a minimum and to keep the intake pipe short in order to have more air filter options.

 HPS Performance Cold Air Intake Kit Increase 19 horsepower 20 torque dyno proven gains 2021-2023 Acura TLX Type S 3.0L Turbo

We used an all wheel drive Mustang dyno to perform our testing. The intake produced impressive results with an increase of 19 horsepower and 20 lb-ft of torque after testing a few different variations. We felt that this was a good number to be at so we left it at that and continued with the remainder of the development.

HPS Performance Cold Air Intake Kit First Prototype Design 2021-2023 Acura TLX Type S 3.0L Turbo

Developing the heat shield was a difficult task as we were trying to find the balance between user friendly and functionality without muffling the sound too much. With the turbo sitting up high and such a short path between the air filter and intake pipe, managing heat needed to take priority. We took a slightly different approach and started with a multi piece design that required assembling the heat shield in sections whilst on the vehicle. This allowed for us to design a heat shield with features to maximize the use of the space.

HPS Performance Cold Air Intake Kit Heat Shield Design 2021-2023 Acura TLX Type S 3.0L Turbo

After testing the intake for a couple of months, we revised the design slightly to further address the heat in the engine bay by adding more heat shielding and introducing a multi-layered aluminum and fiberglass heat shielding which helped bring the temperature down significantly.

HPS Performance Cold Air Intake Kit Pipes 2021-2023 Acura TLX Type S 3.0L Turbo

After nearly an entire year of testing and revisions, it was a matter of figuring out the best method to manufacture this intake kit in house. A minor logo placement change was made in the final production pieces but the overall design remained unchanged. Just like the Acura TLX Type S itself, we are truly excited to say that this intake is proudly Made in the USA.

HPS Performance Cold Air Intake Kit 2021-2023 Acura TLX Type S 3.0L Turbo Installed

 

The time has finally come!

We will begin taking second batch pre-orders at 9am PST on Friday, March 10th. If you miss the first batch pre-order, make sure you sign up notification in the link below.

Buy it now

HPS Performance vs Stock Air Intake Kit Sound Clip


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