APR MST to Epman/Racingline Swap

APR-MST vs APR-Epman

Background: In the last post, I discussed installing and measuring vehicle performance with the APR PEX open intake and Blaze ATOM Race intake. No significant difference was found between the two intakes. This outcome differs significantly from reports from an EQT customer that claimed switching between the intakes produced a significant change in the turbocharger […]

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AMS Performance Mk7 Intake

M520h tuning – r3 AMS to r4 APR

Background: The reinstallation of the Mabotech M520h turbocharger and the addition of MPI raised questions about the next tune to use. I’ve been eyeing the Simos Tools’ logging capabilities, which are most extensive when paired with a Simos Tools tune, and decided to try it. I contacted Russell Road & Racing, a UK-based tuner, about

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