The Just Noticeable Difference

Why Measured Performance Gains Don’t Always Translate to Seat-of-the-Pants Feel An aftermarket inlet elbow shows +8 HP. An aftermarket downpipe delivers +20 HP. On paper, these improvements look promising. But will you feel them when you’re driving your Mk7? After testing some parts that made small but measurable performance differences, I began researching a way […]

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ARM Motorsports and Stock Charge Pipes

ARM Motorsports Charge Pipes

Background: I saw this advertisement from ARM Motorsports for their charge pipes that contains some impressive claims, if they are true. When I asked for more information, ARM Motorsports provided a vague reference to “quicker spool” and a “jump in power“. My question seeking more specificity was not answered – not a good sign. Claims:

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EQT Post Header

EQT’s Product Development Pattern: A Review of the Evidence

Introduction In February 2026, EQT announced a new engine and transmission mount kit for the MQB platform. The product bears striking visual and specification similarities to Black Forest Industries’ established mount design. When a consumer called this out publicly, EQT’s owner Ed Susman responded. His response is worth examining carefully — not just for what

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