I have an 09 t-nytro with powderlites stage 2 running 12lbs boost, timbersled skid, and i still have the stock fronts on, the only time I notice problems is when very tight technical situations come up at low speeds(you can really feel the weight of the sled), sidehilling is fine and any climbing is very comfortable. I have the opinion that i can become completely confident with anything after enough time on the sled. I would like to know how many guys have ridden stock and changed and could never go back and how many stayed stock and are ok with it. Thanks for any input