SKU: 82245054401

Hondata S300 v3 - Honda / Acura

Sale price$267.75 Regular price$297.50
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Description

Hondata S300 v3 - Honda / AcuraThe Hondata S300 is a plug in module to the factory Honda Engine Computer (ECU) which vastly expands the capabilities of the factory ECU. Forced induction, data logging, real time updating of parameters, engine protection are but a few of the s300 features. The s300 uses different connecting pins in the ECU from the s100 s200, and also has a slot cut in the side for the USB connector, so the ECU must be modified for use with the s300. The s300 uses a

The Hondata S300 is a plug in module to the factory Honda Engine Computer (ECU) which vastly expands the capabilities of the factory ECU. Forced induction, data logging, real time updating of parameters, engine protection are but a few of the s300 features. The s300 uses different connecting pins in the ECU from the s100/s200, and also has a slot cut in the side for the USB connector, so the ECU must be modified for use with the s300.

The s300 uses a high speed USB connection for both programming calibrations and datalogging. No more USB/serial connectors!

S300 Model:

  • S300 v3 (regular) for the typical rectangular body type USDM OBD1 ECU
    (P06, PR4, P28, P30, P61, P72, P74, P75)
    Note; P06/PR4/P74/P75 will need a VTEC conversion in order for VTEC capabilities.

Existing Features

Real Time Update: The s300 can be updated in real-time with the engine running without affecting the operation of the vehicle. This means that calibrations and changes can be uploaded to the ECU very quickly (2 seconds for a new calibration, a fraction of a second for anything else), without interrupting the operation of the engine. Changes made in the SManager software are uploaded to the ECU instantly and you can see the effect immediately. The s300 does not use an EEPROM or equivalent, so you never need to open the ECU to change chips nor 'burn' ROMs. No EPROM programmer is necessary - you just need a laptop with USB port or Bluetooth capability.

Datalogging: The s300 has datalogging to the SManager software built in via the USB port. Using a laptop the various ECU sensors can be datalogged, viewed, graphed and saved for later analysis. Additionally the s300 has on board flash memory which allows a data-log recordings to be made without a laptop, for later access and download to a laptop.

Map Sensor Compatibility: Any linear MAP sensor can be used, using a scalar and offset to translate the MAP sensor characteristics into pressure. Popular MAP sensor settings are built in for ease of setup. To do this you will need the map sensor calibration numbers from the manufacturer of the sensor.

ECU Preparation: It is strongly recommended that you have this professionally installed as this is more difficult to install than an s200 and if the ecu has been previously socketed you run an even higher risk of damaging the ecu (lifting tracks and or burning them).

  • 8 analog inputs (for data-logging only)
  • 1 digital input (for data-logging only)
  • Additional security to help identify and prevent theft
  • Datalogging memory is no doubled in size for up to 2-hours of recording
  • Non-battery memory for greater reliability and longer life
  • On-board calibration storage

Version 3 Features Adds:

  • Bluetooth for laptop programming/datalogging & mobile datalogging
  • Click here for iOS (iPhone) app.
    Click here for Android app
  • 2-4 times faster datalogging than previous S300 versions
  • Ethanol content sensor support
  • CAN output
  • Serial output for dashboards like the AiM MXL and Racepak IQ3

For vehicles with manual transmission use only.

ECU not included.

Requires installation by an experienced individual.


This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82245054401

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4.6 ★★★★★
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nphoton
Louisville, US
★★★★★ 3
I Wanted to Like It
Style: SPF 50, Size: 1 count (Pack of 1)
I really wanted to like it because of the great reviews it gets with backpackers and generally with people that don't like "greasy hands syndrome" after applying sunscreen. But after using a stick I found that it's just not that good. The good: small, lightweight container. Not greasy. Good protection, I was in the sun all day hiking multiple days straight and only put on sunscreen twice per day and I didn't have any burning... and I burn easily. The bad: Value: the $12.53 sunscreen container only lasted about 8 days. And that was just my arms, neck, and half my face since I wore a shirt and long pants and a wide brim hat every day when hiking. I would expect this amount of sunscreen to last a lot longer than that on such a limited area. I'm not a big person either. Application, chafing: it's the opposite of greasy, almost chalky. You use the stick to apply to your skin in stripes, then you have to "blend it in" by rubbing with the backs of your hands so your palms don't get chalky. Since the stick is so dry this requires a fair amount of force and it chafes as you rub it around. When your skin a bit sandy it hurts. Application, crumbling: on a chilly but sunny morning, about 45 F, I applied sunscreen and small chunks of the stick crumbled off. I watched precious chunks of the already overpriced sunscreen drop to the ground. Residue: while it's not greasy, it's physical sunblock so it gives your skin the characteristic whitish sparkle. That's to be expected. But what I didn't foresee is it will rub off on anything your skin touches. My gear had white chalk-like marks (technically titania powder?) on my shirt collars, backpack straps, sunglasses, and a few other high-touch items. Overall I think it's a neat idea. I'm not overly disappointed with my purchase. But for $12.50 I expect sunscreen to be easier to apply and for the container to last longer than about 8 days. I can't burn $50/month in the summer months when a single container of chemical sunscreen will do the job. Pro tip: you can buy food-safe 3 oz TSA travel containers. Load one of those up with chemical sunscreen and you have something that beats this in every way except for the greasiness, which you can mitigate by picking a lower SPF sunscreen (the 30 SPF you wear is infinitely better than the 50 SPF you skip!).
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Reviewed in the United States on May 2, 2025
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D. Collins
Boise, US
★★★★★ 5
sunscreen does its job
Style: SPF 50, Size: 3 Fl Oz (Pack of 1)
Works well. Took a little more effort to rub into skin.
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Reviewed in the United States on May 4, 2026
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shannon
Waukegan, US
★★★★★ 5
Light and simple
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
Absolutely love this sunscreen! It offers great coverage without feeling heavy or sticky. It absorbs quickly, doesn't leave a white cast, and held up beautifully during long days in the sun. This has become a staple in our family. Hands down the best sunscreen! Lightweight, effective, and comfortable enough to wear all day. It protected our skin even during hours of outdoor sports and activities. I'll definitely be purchasing again! ☀️🧴💛
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Reviewed in the United States on May 30, 2026
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Cheryl Kozlowski
Bozeman, US
★★★★★ 5
Good product
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
Good produce. Great price.
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Reviewed in the United States on March 26, 2026
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Verified Purchase
Conrad M. Aumann II
Lowell, US
★★★★★ 5
Easy and effective
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
Good price for good protection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025

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