My thoughts exactly. I ran Silber clutching last year. This year I did a full conversation over to IS with TKI. I bit the bullet to do it right. When you spend money for a Turbo, plan on taking on around $500-$1000 more for clutch tuning. As people have mentioned, the out of the box clutching will get you on the snow, but there are cons to it. If I recall, I dropped around 7gr on the primary. That is huge to cure the low end bog.
