Holley EFI CAN Splitter
Type: CAN Extension Harness

The Holley EFI CAN splitter allows you to add an additional CAN device to your Sniper EFI or Terminator X installation, without needing to unplug the handheld. This easy to install CAN splitter simply plugs into the CAN connector on your main harness, then allows you to plug in any Holley EFI CAN device, such as a Digital Dash, or USB to CAN communication cable, part number 558-443.
Features:
- Allows you to easily add other CAN devices to your installation
- Plug and play with Sniper and Terminator X
- (3) connectors
- Wires in protective sleeve
Specs:
- Brand: Holley EFI
- Category: Body
- Connector Color: Black
- Emission Code: 3
- Part Type: Gauge Wiring Harness
- Product Type: CAN Extension Harness
- Sub Category: Instrument Panel
- Universal Or Specific Fit: Specific
- Wire Quantity: 4
Tech Resources:
When updating your ECU firmware, you MUST unplug the CAN Splitter from them main harness. Plug the device updating the ECU Firmware directly into the Main Harness.
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.




