Stock Mk7 Accordion Hose

Duct 9 – Eventuri and Stock Accordion

Background: Previous experiments were performed to collect information about how the intake duct configuration affects the air temperature going into the turbocharger. At this point, some other factors are being investigated, specifically if the design of the turbo inlet hose can affect the air temperature. I have occasionally come across claims that a silicone intake […]

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Trackslag Catless Downpipe Flow Test

Trackslag Catless Downpipe Flow Test

Background: The Trackslag 4″ downpipe for the Mk7 GTI in the 200 cell per inch catted form was previously flow tested. For this test, a catless version of the Trackslag 4″ downpipe is the system under test. Test Procedure: The flow bench is first checked with a calibration plate to ensure the measurements are accurate.

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