performance upgrade
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Gearhead Performance Package
So for those if you that don't know, GH offers a performance package like Unleashed does they just don't offer it on their website for some reason. It includes the SCT X4 tuner, 170 tstat, sp542 cold plugs, 3 bar map, and the Auto octane custom tune for $629.- SHOmeDa$$$
- Thread
- gearhead performance upgrade power package tune tuner
- Replies: 34
- Forum: Generation 4 - Performance Upgrades
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Finally Upgrading After 18 Months Of Ownership- Latest: Texas Marauder
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