I went through this with my oil cooler install. I said "eh, it won't make that much of a difference" and bought what Stillen offers as a base core for their coolers. It leaked like a siv, and I bought a Setrab core. Side by side, its just better quality. Its beefier and stronger. Setrab cores are used in racecars all over the world as well as Ferrari, Aston Martin etc etc etc from the factory. Think of it as buying Megan coilovers vs Ohlins or whatever. Huge difference.
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-08 Porsche Cayman S
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