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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
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Description
Rywire K-series Conversion HarnessThis adapter is made to allow the installation of a K Series engine with the 02 04 K20 engine harness. This wire harness connects your K Series engine harness to your chassis interior harness while adding the E plug and all its functions. This harness is primarily made for a K Pro or Re Flashed ECU but can be used with a stock RSX ECU provided you have bypassed the immobilizers accordingly. Please checkout the Xenocron "swap box" immobilizer delete in
This adapter is made to allow the installation of a K-Series engine with the 02-04 K20 engine harness. This wire harness connects your K-Series engine harness to your chassis interior harness while adding the E-plug and all its functions.This harness is primarily made for a K-Pro or Re-Flashed ECU but can be used with a stock RSX ECU provided you have bypassed the immobilizers accordingly.
Please checkout the Xenocron "swap box" immobilizer delete in the ECU's & EMS's category.
This harness may require the user to pull the shock tower plugs into the interior for a better fit and cleaner installation. You are also required to drill a small hole in your exhaust tunnel for the O2 Sensor plug. After a year of R&D, this method is the way our customers doing this swap said were the best & cleanest.
There will be 5 wires to be connected to your factory ECU plugs with a diagram that accurately shows which wires to connect to.
You won't use your stock engine harness with the K20, but you still continue to use your chassis Interior harness with this conversion, so don't toss it or cut it!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.4 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Nice jacket
Size: Medium, Color: Grey 01
Nice jacket . Material exactly as described.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
Value for money
Size: Large, Color: A-red
Exquisite; stylish.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Black mens coat
I didn't expect such good quality from such an inexpensive black coat, stylish, neat, looks expensive, none of my friends believed that I bought it so cheaply! No pellets appeared after a year and a half of use
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Reviewed in the United States on March 15, 2025
★★★★★ 4
Has shoulder pads.
The jacket has shoulder pads that don't necessarily show on the image in the purchase area. Pretty pronounced so if that's not your thing definitely stay away. Got lucky and it doesn't look too bad on me but it took so long to receive the package I don't feel like going through the refund process so I'm dealing with it. Quality is great tho
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Reviewed in the United States on January 23, 2024
★★★★★ 5
Softness
Size: Medium, Color: A-red
High quality material !
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Reviewed in the United States on January 6, 2026
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