I just bought my 08 busa and the dealer wanted gave me a great deal if I would let him put on a mussy exhaust from earlier years. It worked to the tune of 192.5 hp out of the box. No additional work. I went back a week later and they told me a customer came in with a 07 zx14 with about $3k of engine work including a power commander. The customer was really proud when it dyno'd at 182 hp until they should him the read out from my bike with no work. If anyone every had a doubt about how the king was. Let them doubt now more