Background: A few months ago, I conducted an airflow test on the Majesty Competition intercooler, a tube-and-fin core from a company that sells cheap intercoolers on eBay, which are most likely copied from a name-brand manufacturer. I presume they copied somebody’s design since their advertising includes a picture of my car from this blog that they haven’t […]
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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
The Just Noticeable Difference Read More »
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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