ARM Motorsports FMIC in Bicooler configuration

ARM Bicooler Street Data

Background: ARM bicooler street data is the subject of this post. Recently somebody pointed out to me that ARM Motorsports offers a bicooler hose option for their FMIC, and the same person asked if I had used the ARM FMIC as a bicooler. “Why yes I have“, but I never made a post to detail […]

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Puzzled

APR Closed or Open Intake

Background: The subject of closed intakes versus open intakes is popular for debate over the significance of delivering “cold” air to the engine. APR recently introduced a new intake that fits the Mk7: Which is better: The open design of the intake prompted a question from a consumer about open intakes: From this statement, it

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ECS Tuning DV Spacer

DV Spacer Leaking Investigated

Background: I’ve come across advice to avoid using a Diverter Valve (DV) spacer because apparently it is common for it to cause issues with how the car operates. Reference to “after the mass air” flow sensor is a red flag since the Mk7 GTI does not use a Mass Airflow Sensor. Again there’s mention of

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