Anyone use a JB4 set up ? 2020 GTC
MBWorld Fanatic!
Skilly
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- Join DateNov 2016
- LocationCalifornia
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- Vehicle(s) I drive2020 McLaren 720s Spider
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I’d splurge and do the Weistec tune. 146HP and 180 ft lbs of torque. It’s a About triple the cost but double the gains too.



