Hondata FlashPro 2017-2021 Honda Civic Si 1.5T US (CARB) (FP-16CIVIC-L15T-US-CARB)
SKU: 91594860409

Hondata FlashPro 2017-2021 Honda Civic Si 1.5T US (CARB) (FP-16CIVIC-L15T-US-CARB)

$267.75 $297.50
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Description

Hondata FlashPro 2017-2021 Honda Civic Si 1.5T US (CARB) (FP-16CIVIC-L15T-US-CARB)The FlashPro allows full user tuning and datalogging for your Civic Si 1. 5 Turbo. It includes Windows based software called FlashProManager. The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide live tuning with a variety of calibrations, extensive real time and stored datalogging capabilities. EPA CARB Status California emissions compliant (CARB EO D 742 1), which allows this product to be used on street

The FlashPro allows full user tuning and datalogging for your Civic Si 1.5 Turbo. It includes Windows based software called‚ FlashProManager. The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide live tuning with a variety of calibrations, extensive real time and stored datalogging capabilities.‚

EPA/CARB Status

California emissions compliant (CARB EO D-742-1), which allows this product to be used on street vehicles within the USA.

Sales Market

This FlashPro can only be sold to US/Canada addresses.

Features

The Hondata FlashPro is a hardware and software combination that connects from your laptop's USB port to your Civic's diagnostic port.‚

The FlashPro Manager software comes with several built in calibrations. You will find a base map that is a great fit for your car.

The FlashPro has the best datalogging capability and support in the industry. There is simply no better way to learn how your engine runs and responds than by connecting a FlashPro and‚ datalogging.‚ See‚ for yourself.

The Hondata FlashPro is a product that delivers all the‚ features‚ you need, now, fully working, that will grow with you as you upgrade your engine. With‚ live tuning capabilities, your tuner can now tune your car faster and more accurately.

The FlashPro is designed, manufactured and assembled in the USA. As a result of local assembly, extensive testing before shipping and our stringent quality control, the FlashPro is incredibly reliable.

Specification
Restriction
Sales Region US/Canada Only
EPA/CARB status (USA) CARB EO D-742-1
Vehicle
Model Civic
Year 2017-2021
Market US
Trim Si
Engine L15B7
Transmission MT
ECU
Part Number 5AM-A03 through 5AM-A04
5AM-C03 through 5AM-C04

Features

FlashPro Manager software's advanced datalogging and live tuning capabilities combined with thoroughly tested‚ base maps‚ allow your car to be tuned faster and more accurately than any other solution on the market. You will love the way your engine's response is‚ improved.

Introducing Hondata Sport Mode

Introducing the Hondata Sport mode; ‚ a revolutionary enhancement. In addition to Honda's suspension, steering and throttle improvements the Hondata Sport mode adds 27 hp and 40 lb-ft torque to make the best use of the Civic Si's sport mode improvements.‚

Hondata's full throttle shift is the quickest way through the gears. Just dip the clutch and change gear with your right foot pegged to the floor. Hondata's full throttle shift algorithm cuts the engine power until the clutch is released. Eliminate your boost lag, improve your 0-60 and 1/4 mile times all while having a ton more fun.

FlashPro features

2017+ Software editing

Dyno

Hondata is the world leader‚ in tuning Honda engines and have many‚ world records‚ to prove this. Every map listed here has been comprehensively tuned for fuel, ignition and boost.

Listed here are the dyno plots of CARB calibrations included with FlashPro.‚

How the FlashPro will perform on a stock Civic Si ?‚ The answer is superbly!

With a 100% stock ‚ Civic Si Turbo you will benefit from:

  • ‚ 27 HP and 40 lb-ft torque
  • Improved turbo spool
  • Raised boost limits
  • Better throttle response
  • Better mid range power and torque
  • Removed speed limit
  • No change in part throttle fuel economy
  • World class datalogging - which will teach you a lot about your engine.

Base map

  • Dotted green line stock Si. 205 hp 235 lb-ft torque.
  • Solid green line Hondata +6 psi reflash. 233 hp 258 lb-ft torque

‚


‚

Mitsubishi Turbo

Stock cat, intake and exhaust. 93 octane.

Clutch recommended

  • Dashed green line stock Si. 205 hp 235 lb-ft torque.
  • Dotted red line Mitsubishi turbo. 250 hp 275 lb-ft torque

‚

‚

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: 91594860409

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Crystal
Boise, US
★★★★★ 5
Best pillows we’ve ever had!
Color: White, Size: King(Pack of 2)
These are so insanely comfortable! They have the perfect amount of softness and support. Not too flat, not too full, just right. You will sink into it like a big marshmallow!
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Reviewed in the United States on May 22, 2026
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Laura Moya
West Palm Beach, US
★★★★★ 5
Comfortable pillows 🤩
Color: White, Size: Queen(Pack of 2), Color: White, Size: Queen(Pack of 2)
I bought the Serta Hotel Collection Bed Pillows (Queen size) and I absolutely loved them. They are super soft yet provide great support; they feel very comfortable and help make for a much better, more pleasant night's sleep. Plus, the fabric is cool and of high quality. I recommend them wholeheartedly!
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Reviewed in the United States on April 22, 2026
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AW
Louisville, US
★★★★★ 4
Amazing pillows!
Color: White, Size: Queen(Pack of 2)
These are fantastic pillows! A little background. I'm a side sleeper and toss and turn throughout the night. I've struggled with sleep issues for literally decades - insomnia, tossing and turning, waking up multiple times a night to use the bathroom, waking up way too early and not being able to get back to sleep. Every night it's a combo of those things or all of those things. I've also had some neck pain and stiffness for a couple of months. If you've ever dealt with that you know it will affect sleep which will then affect productivity and mood. It's a terrible spiraling and compounding thing to deal with, very stressful. I figured the contour pillow I had which once was actually helping was unfortunately the culprit. So I went on the hunt for another pillow. I ordered what I thought was the old Rejuvenite pillow (those were fabulous!) and got burned on a bait and switch. The pillow ended up being way too soft and gave me worse neck pain. Figuring I'd try to salvage what was a $115 pillow, I invested in a very thin pillow to put underneath. It was too high. Getting pretty frustrated, I ordered the cheaper Utopia pillows here on Amazon. Those actually were not terrible because they did take away my neck pain, but I was still tossing and turning at night and still feeling unrested in the morning. I decided I'd give it one last shot and luckily found these when they were discounted by a few bucks. They didn't have many reviews which was actually a great sign for me because it means the company lets their product speak for itself. I got these in several days and was thrilled to see upon opening the package that they were sealed and the directions do not require you to open the package and let them expand for 24 hours. You literally just take the edges and fluff 2-3 times and that's it! They are ready to go and they definitely do feel perfect after doing that. I was skeptical when I put them on my bed because they are soft and I worried they'd be too soft. I felt my head sink into the pillow a bit and then was surprised to feel at a certain point it just feels like the pillow is cradling your head with the right amount of support. I wouldn't describe it as firm, just soft but stable support. Really comfortable. But the real test was how it would perform during sleep. I'm so thrilled to report that I had an amazing night of sleep! No neck pain, no stiffness, zero tossing and turning, no insomnia, no waking up during the middle of the night, and no waking up early. I put my head down, fell asleep, and slept like a log for about 7.5 hours straight, which is literally unheard of in my world. I'm very lucky if I get 5 solid hours of sleep. I woke up and popped out of bed. My mood was great (still is later in the day) and I was not tired in the afternoon when I normally feel the fatigue kicking in. This is the first day for as long as I can remember that I do not feel that nagging tiredness behind my eyes and in my body that always seems to be a steady background actor in my life. I feel great and full of energy and I was able to tackle a bunch of tasks on my someday list. This is so promising I didn't want to wait to share. If you are on the fence and are dealing with similar issues to mine, I'd encourage you to just try these. What's also amazing is these come in a set. I'm only using one so I basically have another one to use if the first one ever fails. This is the best investment for sleep I've ever made! Update: Well, after a trial period I'm removing a star because my dreamy sleep was short lived. I started to wake up more frequently during the night with these and gave up midway through the night one night. I'm still using these for back support while I sit up or hang out in bed because they are still super comfortable that way and oddly these work well for naps. Hopefully, you have better luck than me!
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Reviewed in the United States on February 21, 2026
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Cassidy
Whiting, US
★★★★★ 5
Absolutely love this pillow!
Color: White, Size: Queen(Pack of 2), Color: White, Size: Queen(Pack of 2)
The pillow was very well packaged and extremely easy to open. As soon as I took it out of the package, it immediately expanded and became fluffy within seconds. I was honestly surprised at how quickly it regained its full shape. The pillow feels very soft and comfortable, but it still provides great medium-firm support. It has excellent resilience and bounces back quickly after being pressed, so it never feels flat. I’ve been using it both for sleeping and for supporting my lower back when sitting, and it works great in both situations！ I also really like the embroidered logo, which looks very delicate and well made, it adds a nice premium touch to the pillow. It would also make a great gift for family or friends.
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Reviewed in the United States on March 6, 2026
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Nighthawk
Pawtucket, US
★★★★★ 5
Heavenly soft and comfortable.
Color: White, Size: King(Pack of 2)
This is a great pillow. I bought 2 king size for my daughter. They are so soft but have some heft to them. They don't squish flat. They plump up so nice. She said like having a cloud for a pillow. I love Serta. They have always been good. Buy it and sleep like you're in heaven.
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Reviewed in the United States on June 2, 2026

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