Yes, I ran mine that way for almost 2 years without a problem.

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$500 shipped for mapecu alone.

For anyone that was wondering, I did an enquiry on building a custom plug-and-play harness:

Hi Stew,

Thank you for your inquiry.

I have a very limited supply of the ecu connector parts used on the Lexus IS350 (fewer than 10 sets). I’ve been told by Tyco that Toyota has since restricted those parts and I will not be able to restock them. Due to that, I don’t keep assembled ecu patch harnesses in stock using those parts, instead I can offer to make each one to the customers desired length. If using a wire length up to 12 inches the cost for that 200 position ecu patch harness is $325.00 and to add the MAP ECU 2 or 3 wiring to it costs $94.00 for the additional wiring leads and labor. Ground shipping in the US adds $10.00.

If you would like to order one of these assemblies you can select the wire length you want me to use on the ecu patch harness as I mentioned. If you need something longer than 12 inches please let me know so I can quote you the new pricing. Also, the ecu connectors will add a total close to 2 inches to the overall harness length. So, if you request 10 inch long wiring, the total ecu patch harness length will be very close to 12 inches.

The lead time to produce one of these assemblies would be 3-5 business days at this time. If you would like to order one, please let me know what wire length you desire and I can either send you a paypal payment request or I can provide a link to our website, Custom Order/Payment page with instructions to follow.

Regards,

Richard Welch
Autosport Wiring
www.AutosportWiring.com
Phone: 817-707-9371

Overall, this is an awesome deal guys, I hope the rest of my research gets in and I'm able to snatch this up before you guys get to it!