Fakespotting: Mugen Sports Pedal Kit 46545-XG5-K2S0

by Administrator 25. January 2015 20:24

The following post comes to us courtesy of Mugen aficionado Jerimiah Styles!

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The Mugen sport pedal kit is one of the more commonly replicated parts found on the market today. Let's go over some tell tale signs to identify real from fake. In this post we'll look at a specific pedal kit that is available for the CRX, Del Sol, '90-'05 Civic, Integra, RSX, TSX and a few more. Suffice it to say this is a very common pedal kit:

Mugen Sports Pedal Kit (MT): 46545-XG5-K2S0

We'll start with the authentic Mugen kit. Notice the orange tape on the clutch and brake pedals and white tape on the gas pedal. The high quality of the aluminum is also a sign that you have a genuine Mugen product. Notice the Mugen logo on the brake/cluth is a single line with kanji and MUGEN.

Now, let us compare the replica version. Red tape has replaced the orange, and we have a finish on these that is noticeably different than the genuine Mugen set. You will also notice that the logo is different on the brake/clutch -- kanji is stacked above MUGEN -- however this does not determine authenticity. The older sets of genuine Mugen sport pedals did indeed have this insignia on them. They are referred to by some as first generation sport pedal kits, highly sought after by Mugen collectors.

A look at the authentic Mugen accelerator pedal shows the high quality of the aluminum.

A look at the back of the replica accelerator pedal shows the difference in quality and tell tale red tape of the replicas (versus white tape on the genuine). The overall shape of the fake pedal is more jagged and slightly larger. The fake pedal does not install the same as the Mugen -- which is riveted or screwed on. Keep in mind the fake is a brand new, out of the box set -- far from the craftsmanship of its authentic counterpart.

Next let's look at the Mugen brake and clutch pedal (these two Mugen pedals appear to be identical). Again the orange tape and the part number is on the bottom of the real ones.

Now the replica. There's that red tape again, and notice the lack of part number and "Made in Japan" stamp.

This particular kit was available in the two types of packaging you see below (which are both genuine). The clear window box is the most commonly seen replica package. Some replica packages even include a photocopy of the genuine installation instructions, making them even harder to spot. Since the replica packages so closely resemble the genuine ones, the best way to tell fake from real will be to inspect the pedals themselves.

The cardboard box version was available via Honda dealers and has a different part number (but is the same kit).

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Why does it matter?

Replica pedals are known to come apart due to inferior manufacturing and materials. This is extremely dangerous and can cause slippage on the pedal -- or worse -- interfere with pedal operation. Imagine not being able to press the brake pedal because the accelerator cover is lodged behind it!


Want to make sure you get genuine pedals that won't fall apart on you? Buy from an authorized Mugen dealer like King Motorsports.


Thanks again to Jerimiah for his insight and we look forward to more posts from him!

** UPDATE **

Since we published this post, we've had some questions about the variations within the genuine Mugen pedals. Over time, Mugen improved and modified their manufacturing process and the design of the pedals. Enthusiasts have identified three distinct "generations" of pedals: Gen 1, Gen 1.5, and Gen 2. Below is a comparison chart that helps identify the various generations of genuine Mugen pedals.

Genuine Mugen Sport Pedal Generation Comparison

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King Motorsports | Miscellaneous | Mugen

Mugen Official Company Profile Sheet Circa Early 1980s

by Administrator 23. January 2015 20:06

Right-click to see this sheet at full size!


The text:


Hirotoshi Honda
Son of Dr. Soichiro Honda well known. Industrial designer and racing car builder.

Chief design & mechanic:
Masao Kimura
Formerly with Honda racing service center Co., Ltd. Builder of over 15 different racing cars & racing motorcycles. Winner of a total of over 50 races.

Capital stock ¥ 80,000,000
Established March 1973
Land area 6,600m²
Plant space 2,700m²
No. employee 80

We specialize primarily in the design, manufacture, testing and sales of motor sports parts and special racing machine (motorcycle and automobile, both 2cycle and 4cycle) for the Honda manufactured products, and participation in the various races with our products.

Mugen products manufactured by highly skilled personnel with the most up-to-date equipment and developed from extensive research, long experience and rigid testing under many years of gruelling races are used widely by both professionals and general enthusiasts throughout the world.

In the Shop: EK Civic Race Car (Updated)

by Administrator 22. January 2015 18:57

In the shop recently we are preparing an EK Civic SCCA STL race car. First up- TIG welding door bars:

Next- AIM MXL data aq unit mounted in a very cool carbon fiber inlay:

Dashboard mock up. Check out the KMS custom fabricated adjustable steering shaft....

Just a few more bars and this EK Civic STL roll cage will be complete. Next step is all the tin work to separate the fuel cell from the drivers compartment.

Just a few more bars and this EK Civic STL roll cage will be complete. Next step is all the tin work to separate the fuel cell from the drivers compartment.



Finishing up work bulkhead work on the SCCA STL Civic race car. All aluminum panels are hand fit and then bead rolled for strength. The center section is attached with self ejecting DZUS fasteners for easier access to the fuel cell, fuel pump etc. All other panels are pop riveted in place.

The SCCA STL Civic heads to the body shop today for paint. Back in a few weeks for final assembly! Big thanks to Kyle Gessler of Gessler's Auto for the outstanding service!

Call us today for custom roll cages, race prep and fabrication!



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Around the Shop | Customer Rides | King Motorsports | Racing

Hondata K-PRO: Ordering, Unboxing & Installation

by perry_w 1. January 2015 15:35


Earlier this year I purchased the K-PRO (version 3) engine computer tuning solution made by Hondata, Inc. This modified ECU would open up my 2002 Civic Si (EP3) to performance tuning. While there are a couple engine tuning solutions available for my car, the Hondata K-PRO is the most common and well-supported. I’ve seen King’s skillful dyno tuning and was looking forward to having some tuning done to make the most of my car’s modest modifications.


To prepare, I picked up an un-modified ECU for my EP3 -- the PNF version, which is the same as what comes with the EP3. I bought this ECU second hand, from a reputable seller. Placing the order with King Motorsports was easy. Scott
from King pointed me to a form to fill out and send in with my ECU to Hondata’s facility in Torrance, California. Scott had to fill in some paperwork on his end as well so that Hondata would be prepared for my ECU.

Once Hondata’s technician received my ECU, they tested that it functions properly. Then they open up the metal case and add their daughterboard to the main board. This new board is about a quarter the size of the main Honda board and fits snugly inside the case – allowing the ECU case cover to fit back on as it originally did. Hondata also cuts a small square opening into the side of the ECU case to allow for the USB port connection. As a final step, they closed the ECU back up, test it, and put a HONDATA sticker across the top of the case.

I also purchased a used laptop that runs Windows. I installed the free KManager software (http://www.hondata.com/downloads.html) from Hondata on it. The laptop and Hondata software will allow tuning of the K-PRO ECU via a USB cable. I reviewed Hondata’s installation and KManager tutorials online.


A Fedex package arrived swiftly from Hondata. Inside the box:

* USB cable
* Serial input harness for data logging (I didn't need to hook this up for my needs)
* KManager software on CD (you can also download this online for free)
* Hondata license plate frame and stickers
* Printed materials and a note to relocated the ground strap on intake manifold






Installation was fairly straightforward. Here were my steps on my EP3 (your steps my be different):

1. Disconnect battery.
2. Remove the passenger side foot well trim panel. You should see the ECU. Carefully release and remove the harnesses leading to the ECU.
3. Bend or remove upper glove box “stoppers” to allow the glove box to swing completely open.
4. Use a 10mm socket to remove the 3 bolts holding the ECU in place. 1 bolt is behind the glove box, and 2 bolts can be removed from underneath the glove box.
5. You should now be able to remove the ECU.
6. Install your K-PRO ECU in place. Installation is reverse of the removal. Make sure the harnesses are securely clicked into place.
7. Before you close up the glove box, plug the USB cable into your K-PRO. I used a few zip ties to keep it from accidentally pulling out and let the rest of the USB cable rest inside the glove box.
8. Per the included note from Hondata, I relocated the battery ground strap from my intake manifold to the valve cover bolt. All that was required to do this was a 10mm socket. The existing ground strap is long enough for the relocation.
9. Reconnect the battery.
10. Turn the key to on (but do not start the engine).
11. Make sure your laptop has successfully installed KManager, and launch KManager. Then plug the USB cable into laptop. You can now upload one of the base maps provided by Hondata.
12. The next steps only apply if your K-PRO conversion was performed on a second hand ECU:
13. Using KManager, disable the immobilizer.
14. In order to have the immobilizer matched (progrmamed) to my ECU: I scheduled a service appointment at my local Honda dealer. My service advisor understood what a K-PRO is and what I was trying to accomplish. I drove to the dealer with the immobilizer disabled. Once there, I used my laptop to re-enable the immobilizer. This is an important step. If you don’t re-enable the immobilizer, the Honda tech’s equipment will not be able to locate and program your immobilizer.








Q: Where can I get more information on the benefits and compatibility of the K-PRO system?

Hondata’s website has a lot of good information and is updated regularly:

Q: Is the K-PRO only for heavily modified cars?

While the K-PRO conversion is well suited for turbo/ supercharger applications and K-series engine swaps, it can also help extract power from basic bolt-on parts such as a performance header, exhaust system and air intake.

Q: What is an immobilizer?

An immobilizer is an electronic security device installed by Honda that prevents the engine from starting unless the correctly paired/programmed key (with immobilizer chip) and ECU are present. It prevents a car from being stolen by a thief bringing his own generic key or ECU.

Q: Do I have to buy a 2nd ECU or can I just send the one in my car?

You can send the ECU that is currently in your car. There are pros and cons to doing that.


PROS: You won’t have to reprogram your immobilizer (assuming you want it enabled). And you can be certain the ECU is fully functional. There is also a cost savings since you won’t be buying a second ECU.


CONS: Your car will have a few days of down time since obviously your car will not be running while the ECU is being modified by Hondata. If you ever want to sell the K-Pro or return to a stock ECU, you will need to buy a stock ECU.

Hondata can also provide a brand new ECU at additional cost when you order. 

Q: What is the big deal about buying from an authorized Hondata dealer?

Simply put, buying from an authorized Hondata dealer like King Motorsports protects you. Hondata has issued a warning that there are counterfeit K-PRO ECUs in circulation:

In 2014 a Florida man was charged by the FBI for having Hondata devices reverse engineered, then built in China and sold as authentic. He generated approximately $58k in income with his scam, so you can only imagine how many fake Hondata devices he put into circulation.

Hondata also warns of a scammer from Texas named Daniel Sanchez who claims to be authorized to sell on behalf of Hondata but is not a Hondata dealer. He has also spread some misinformation about Hondata. More info:

Q: What’s the difference between a Hondata Reflash and a K-PRO?

A Reflash is a reprogramming of your ECU by Hondata. Rather than installing a full daughter board into your ECU case, Hondata reprograms your ECU directly to extract more power with pre-determined changes such as altered cam timing and optimized fuel settings. The cost is significantly less than the full K-PRO conversion, but is not customizable for your car’s specific mods.

More info about the Reflash:

You can always upgrade from a Reflash to the full K-PRO at a later date.

Q: Can I upgrade to a newer version of K-PRO?

Hondata has been very good about consistently updating the K-PRO hardware and software systems. While the software updates are free, the hardware updates are not. Hondata has a program that will allow you to purchase an upgraded K-PRO conversion by sending in your working, older K-PRO ECU.

Q: What kind of laptop do I need to run KManager?

Right now nearly any Windows laptop or netbook will work, including older ones running Windows Vista or newer. A desktop computer will work too, but has obvious portability limitations. A Mac OS will work as well if you have a compatible Windows emulator. Some have even used certain models of the Windows Surface tablets (the ones that run the full Windows 8, not Windows 8 RT). I was able to buy a used Acer netbook from our company’s IT department for about $50. KManager does not take very much CPU power to run, so older laptops will work just fine so long as they meet the software’s minimum operating requirements.




King Motorsports is an authorized Hondata dealer. Buy with confidence online or by phone at (262) 522-7558:





Here is a side-by-side comparison of a stock ECU (left) and the K-PRO conversion (right):





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King Motorsports | Miscellaneous | Product Reviews