Stillen supercharger long term reports

Originally Posted by jwick

When I originally started thinking FI. I called Stillen and GTM to discuss their kits options. The technical guy I talked to at Stillen told me they highly recommended me getting a professional dyno tune since all cars were different and that was the only way to get the most out of their kit. Funny to hear a couple years later that following their recommendation would have void their warranty.