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MS3 Pro PNP 1999-2000 NB1

Old Jul 25, 2025 | 02:41 AM
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Default MS3 Pro PNP 1999-2000 NB1

Used MS3 Pro PNP for a 1999-2000 NB1 rev. 1.5.1

$770 Shipped to the lower 48
Local Pickup in Pueblo CO for $750

Works fine just no longer need.

Last edited by Sellcouth; Aug 31, 2025 at 03:51 PM.
Old Jul 26, 2025 | 09:39 AM
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Originally Posted by Sellcouth
Used MS3 Pro PNP for a 1999-2000 NB1 rev. 1.5.1

$800 Shipped to the lower 48
Local Pickup in Pueblo CO for $770

Works fine just no longer need. Comes with options pigtail.
Hi! I’m interested. Does this come with all the necessary wiring harness and software? I am new and plan to supercharge my maiata with a jackson racing m45 at no more than 6psi of boost. I drive a 1999
Old Jul 29, 2025 | 06:32 PM
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Hey, miatim
There are some other things you would need to get up and running but this would work great for that application.
You would need a
wideband o2 sensor/controller wideband o2 sensor/controller
, a
GM intake air temp sensor GM intake air temp sensor
, and a
RS232 to USB Adapter RS232 to USB Adapter
. The software is free so you don't have to worry about that. I would look up some videos on installing a Megasquirt there are a bunch of good ones that'll probably answer a lot of questions.
Old Jul 30, 2025 | 09:01 PM
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Ok, thank you for the info. I just ordered that exact wideband o2 sensor and the intake air temp sensor. The kit I bought comes with a piggyback ecu, a Power Card. Are those safe to use? I also just upgraded my fuel pump to a deatschwerks dw200 that provides more flow.

I do eventually want to get into DIY tuning with a megasquirt! is your unit still available for sale?
Old Jul 31, 2025 | 06:07 PM
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Yes it is!
Old Aug 31, 2025 | 03:51 PM
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Bump, and price reduction
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