CTS vs ARM Downpipe Boost Onset

CTS vs ARM Downpipe – Boost Onset

Background: As part of researching how different downpipes perform in terms of airflow and affect on the performance of the GTI a comparison is being made between the CTS Turbo catted downpipe and ARM Motorsports catted downpipe. Previously the CTS and ARM downpipes were flow tested. For this comparison boost onset data recorded while operating […]

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DV vs BOV AFR readings

DV vs BOV Research: No Data Required

Background: While doing some research on possible performance differences between Diverter Valves (DV) and Blow Off Valves (BOV) I had an exchange that highlights a problem caused by lack of data when trying to get questions answered. A statement was made about one performance difference between a DV and BOV possibly being due to the

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Apex wheel staging for install

Apex Wheel Arrival

After nearly two and half years in the works I finally took delivery of a set of Apex wheels for my GTI. Intent on getting some added grip these will be fitted with Firestone Firehawk Indy 500 tires. Post “Mobile” mounting and balance. My first time using a mobile tire install service, but won’t be

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