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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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ALTA BOV Spring Upgrade

By Perrin Performance

The ALTA BOV Spring Upgrade is a better alternative to the more expensive complete replacement BOV's other competitors sell.  Our competitors sell you the JCW replacement part which is an upgrade for a MCS, but not for a JCW.  We took this a step further and created this simpler, better performing...

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