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KTuner V1.2 Flash End User Kit for 08-12 Accord I4 (2.4L)
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KTuner V1.2 Flash End User Kit for 08-12 Accord I4 (2.4L)

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Score: 4.75 (votes: 4)
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Tuning for 8G I4 is now a possibility with KTuner. KTuner is a tuning software with a customizable interface and tabbed layout. Items such as gauges, tables, and graphs can be added to tabs and moved into position just how you like it. The software gives you control over parameters like Rev Limits, VTEC transition, Ignition, Fueling, and other supporting parameters. In addition to being able to make those adjustments real-time logging, recording, playback, and graphing are standard items available with the end user version.

  • $449.00

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WE DO NOT SHIP EXHAUST PRODUCTS TO CALIFORNIA. ALL EXHAUST ORDERS TO CALIFORNIA WILL BE CANCELLED AND REFUNDED MINUS A 3% CREDIT CARD PROCESSING FEE.


NOT LEGAL FOR USE ON POLLUTION CONTROLLED MOTOR VEHICLES. THIS PRODUCT IS FOR RACING COMPETITION ONLY AND IS NOT LEGAL FOR USE ON HIGHWAY OR STREET VEHICLES, OR OTHER NON-RACING COMPETITION OFF-ROAD VEHICLES.

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This policy only applies to installers and/or users who are in the United States, customers who reside in other countries should act in accordance with their local laws and regulations.

Some RV6 Performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions (such as a CARB E.O.). For state specific details please visit the following website: http://www.semasan.com/emissions

It is the responsibility of the installer and/or user of the product to ensure that it is used in compliance with all applicable laws and regulations. If a product was purchased in error, do not install and/or use it. The purchaser must arrange to return the product(s) for a full refund.

All performance modifications and installations are at the customer’s own risk. RV6 Performance holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products.

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Product Description

Our KTuner flash tuning package comes with a single KTuner hardware unit paired with a single user license for the KTuner software.

What models are supported?
All (08-12) I4 8G Accords (Non-Euro), including PZEV models.

For now US models only

What's included with the package?
An OBD2 USB interface.
6' USB Cable With Ferrite Bead.
KTuner Software License for one vehicle.

What fuel should I run with the End User/Reflash?
Premium fuel is required to take advantage. These engines are detuned from the factory to run on 87 octane and there's performance waiting to be unlocked on even a stock setup.

Dyno Plots

The I4 is detuned from the factory! We had excellent results on the dyno


Dyno Comparisons
Tuning done on 91 Premium fuel in Arizona at 1100 ft.

Dashed Red – Baseline – With RV6® PCD®, TBS, Pulley
Dashed Pink – +13tq, +15hp – Tuned with RV6® PCD®, TBS, Intake Port, Pulley
Solid Blue – +10hp on the top end approaching the limiter – Tuned with RV6® PCD®, HFC, Pulley, Intake, 3″ Exhaust

As you can see the dip has been reduced drastically. We were not able to completely eliminate it with tuning.

What's the software like?
Here's a quick overview video of what it's like working with KTuner. Live tuning is not yet available for 8G.

Rev Limit
Set to 7400

VTEC
VTEC was left at 5000. Lowering VTEC resulted in a big loss of power.

Can we flash back to stock?
Yes, you can flash back to stock at any time. The unit can also be unlocked and sold after flashing back to stock. 

Customer reviews
Average rating:
4.75 (Votes: 4)
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