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ALTA Billet 56 Turbo Upgrade

By Perrin Performance

  Until now, there have have not been many options for upgraded turbos. The newest and best option for a turbo upgrade is the new ALTA Billet 56 MCS Turbo. This has the benefits of the stock turbo in that it bolts on with no additional parts or modifications to parts. It makes more HP than the JCW...

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Borg Warner EFR-7163 Test and Tune

By Perrin Performance

All Testing was done at the 1.2, 1.5, 1.7 and 1.9 bar of boost. Below are tall the 1.7 bar runs which are the most consistent ones i had to compare with all turbos. Not the best comparison because this is the one where the TGV housing was closed on my car. So it was killing the HP up top. Since the...

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