• 2003-2004 non-vvti (K-line) coming soon

• 2005-2009 vvti ($450)

• 2010-2018 ($450)

• 2019+ ($550)

The ultimate luxury offroad vehicle gets even better! We can make your GX feel more sporty, and take full advantage of the beautiful motor its got inside. Capitalizing on the recommended fuel trim by Lexus, our MCB Elite tuning solution can generate more power and especially lighten the load for a heavily modified rig. 

The MCB Tuning team did some dyno development on the same V8 engine, but on the 4th Gen 4runner.  The information below is relevant for the GX470, but it should be understood that since the GX is an AWD vehicle, there would be relative power loss from the distribution in comparison to the RWD of the 4runner:

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