... for his previous "foundational research" on topics that are repeatedly discussed here - namely, ...
"What are the benefits of sports air filters?"
"How can I improve the cooling of the intake air?"
Those who haven't seen them yet should read the two new articles on their website!
Keep up the good work, Rainer - maybe you'll even find some people who will lend you sport exhaust systems, for example, for the PC-controlled 2000 - 4000 - test (not entirely serious)

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