Drive a New Civic? Got a Tax Refund? Time to Add Power

Chris Tonn
by Chris Tonn

Honda’s new Civic is a heck of a car, even if the styling is polarizing. But it’s not a performance car like Civics of old, where mixing and matching engine and transmissions from other models could yield a very quick ride with a stratospheric redline. Enthusiasts are anxiously awaiting the Si and Type-R trims, which promise plenty of power — but what of those who already have a car, or need features the high-performance cars don’t have?

Enter Hondata, the firm that’s been tuning Honda engine management systems for years. It’s been the industry leader for those looking to do those engine swaps, and has developed software and devices to add performance to the factory ECU.

Recently, Hondata released its FlashPro for the newest Civic powered by the 1.5-liter turbo engine, and I had a chance to drive a Hondata-tuned 2017 Civic.

Even stock, the new turbo Civic is faster in the quarter-mile than the previous-generation Civic Si, so the extra performance should be impressive.

Per Doug Macmillan at Hondata, the FlashPro device can add either 3 or 6 psi of boost, adding anywhere from 10 to 20 horsepower with a few keystrokes. Based on customer feedback, the FlashPro cuts anywhere from a half to a full second off 0-60 times. Doug also tells me the 174-horsepower 1.5-liter turbo seems to be underrated by the factory, as Hondata is seeing un-tuned cars producing 200 hp on the dyno as long as greater than 87 octane is used.

Installing the FlashPro is remarkably simple. It simply plugs into the diagnostic port beneath the dashboard on the driver’s side of the Civic. From there, another cable plugs into a USB port on a Windows PC, and the included Hondata software will allow you to change the tune from stock to the various increased boost levels with a few clicks.

In my testing, it took about 5 minutes for the reflash and another 5 to 10 minutes of sedate driving for the ECU to relearn the octane of the fuel in the tank before I floored the throttle.

Mercifully, enthusiasts in California can play too, as Hondata is working on CARB certification for its 10th-generation Civic reflash. Doug Macmillan tells me all of Hondata’s reflashes since 2006 have been CARB certified.

I was able to test a 2017 Honda Civic Touring package, powered by the 1.5-liter turbo, driving through the CVT. Honda lists this as producing 174 hp at 6000 rpm, using 16.5 psi of boost. I tested this car both with the factory tune and Hondata’s +6 psi tune burning 89 octane fuel. Times were tested using a Racelogic Driftbox (provided by FASTtechLimited.com), which uses GPS signals to accurately measure time and speed.

Caveat: The car I tested was on slightly oversized snow tires — 225/55-17 versus the stock 215/50-17 — so the test vehicle was a bit slower off the line than a stock car. 1.2 inches difference in wheel diameter will blunt performance slightly. For comparison purposes, this should be fine as the vehicle itself was consistent.

I’ve seen published 0-60 times anywhere from 6.9 seconds up to 7.8. Few publications are clear as to the trim levels and transmissions on their test vehicles.

Tested as the Civic came from the factory (save the snow tires), the car ran consistent 8.2 second 0-60 times, and 6.7 seconds from 50-80 mph as a test of passing performance. Once the 6 psi tune was uploaded via the OBDII port under the dash and the ECU acclimated itself to the new tune, the same Civic dropped nearly a second off the 0-60 time — 7.3 seconds — and the rolling 50-80 test now took 6 seconds flat. That’s a significant performance jump for $695 and about 20 minutes of work.

Per Hondata’s dyno testing, the low RPM torque increase is the most accessible part of the performance envelope; improvement isn’t only at redline. The CVT maintains the engine around the torque peak between 3,000-3,500 rpm, ensuring that extra torque is always available.

Of course, you don’t have to drive around with the box plugged into your car. Once the reflash is downloaded to the ECU, you can unplug it. However, those who may be racing the car might want to leave it in, as the FlashPro will transmit data via Bluetooth to your iOS or Android device, acting as a second set of gauges to monitor engine performance. Below is a screenshot from Hondata Mobile on my Samsung Galaxy S7.

The owner of this Civic tells me he can see the same fuel economy as the standard car as long as he remains light on the throttle, but that the extra boost can be intoxicating. Now that the snow tires are off, he reports 41 mpg in daily commuting.

At $695, the Hondata FlashPro adds plenty of performance to your standard 2016 or 2017 turbocharged Civic for the price of a couple extra car payments. It’s certainly much less than what the new Civic Si will cost. An even less-expensive option simply requires you to take your car or send your ECU to a Hondata dealer, where they will perform a simple, one-time reflash for a mere $350.

I think I need to start shopping for a Civic.

[Images: Hondata]

Chris Tonn
Chris Tonn

Some enthusiasts say they were born with gasoline in their veins. Chris Tonn, on the other hand, had rust flakes in his eyes nearly since birth. Living in salty Ohio and being hopelessly addicted to vintage British and Japanese steel will do that to you. His work has appeared in eBay Motors, Hagerty, The Truth About Cars, Reader's Digest, AutoGuide, Family Handyman, and Jalopnik. He is a member of the Midwest Automotive Media Association, and he's currently looking for the safety glasses he just set down somewhere.

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  • TrailerTrash TrailerTrash on May 02, 2017

    "The owner of this Civic tells me he can see the same fuel economy as the standard car as long as he remains light on the throttle, but that the extra boost can be intoxicating. " isn't this the bad rap the Ford ecoboost engines get? sure, great power, but nobody can stay away from it. i was wondering if and when anybody joined Ford after bashing the turbo moves. they did and suffer from the same mpg vs power choices. my mks can ave 20/21 if i drive easy breezy. if i start enjoying the feeling in my back, forgetaboutit! and this extra power stresses the trans, an issue i would think when there is a cvt. the fords usually force the buyer into AWD when the higher powered turbos are gotten. at least with their fwd based set ups.

  • DearS DearS on May 02, 2017

    It looks like one of the steps need to turn a hatchback into a SiR. Limited Slip and the Si suspension are next. That will probably bring up the total to $5k, not counting installation.

    • Duffman13 Duffman13 on May 03, 2017

      If they even fit. Previous Si have had slightly different suspension mounting points and geometry preventing an OE swap-out. If CR pricing is similar, the parts are around $16-1800 new, but $6-800 for take-offs from someone who went aftermarket. I doubt the Si diff fits a standard civic transmission, but quaife or M-Factory should have options in the $700-1k range. From experience (used to be a frequent modder) install on those parts is around $400 each.

  • Lorenzo I shop for all-season tires that have good wet and dry pavement grip and use them year-round. Nothing works on black ice, and I stopped driving in snow long ago - I'll wait until the streets and highways are plowed, when all-seasons are good enough. After all, I don't live in Canada or deep in the snow zone.
  • FormerFF I’m in Atlanta. The summers go on in April and come off in October. I have a Cayman that stays on summer tires year round and gets driven on winter days when the temperature gets above 45 F and it’s dry, which is usually at least once a week.
  • Kwik_Shift_Pro4X I've never driven anything that would justify having summer tires.
  • Scotes So I’ll bite on a real world example… 2020 BMW M340i. Michelin Pilot Sport 4S. At 40k now and I replaced them at about 20k. Note this is the staggered setup on rwd. They stick like glue when they are new and when they are warm. Usually the second winter when temps drop below 50/60 in the mornings they definitely feel like they are not awake and up to the task and noise really becomes an issue as the wear sets in. As I’ve made it through this rainy season here in LA will ride them out for the summer but thinking to go Continental DWS before the next cold/rainy season. Thoughts? Discuss.
  • Merc190 The best looking Passat in my opinion. Even more so if this were brown. And cloth seats. And um well you know the best rest and it doesn't involve any electronics...
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