Save your money. Run their pipe if you want and match it up with a PC-5.... Clutch it, gear it and run it. Stage 3 involves the Bully Dog programmer i believe and it is junk. IMPO With a little research and testing you can achieve much better performance for less $$$$$
Um... they are not softer and pullout just as easy as any other stud. Stud head diameter determines how hard it is to pullout. I have been running 1.67" Studboys for thousands of miles with no issues.
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