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Hey guys been looking around and was lead to believe that the M35's ECU was more "tunable" is this true, ive found one on ebay andwas wondering if this was a suitable upgrade if an upgrade at all.

Ebay link is here: http://www.ebay.com.au/itm/Nissan-Stagea-M35-VQ25DD-ECU-M1-MEC14-520-C3-1Y06-JDM-/380375145088?pt=AU_Car_Parts_Accessories&hash=item5890201a80

Thanks

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https://www.sau.com.au/forums/topic/420959-250gt-ecu-swap/
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