Originally Posted by Japanjay

That middle one is not normal. The other three are and yours are not normal numbers. This platform has been around for 5 years and no one has been able to create "41whp" from just an exhaust, no tune or nothing else. Tomie's is identical, doesn't do that not even close, so I do believe you are the only one thinking that this is even possible without having a severely inflated dyno. But everyone will see when you baseline, with the exhaust put back to stock. Non-nismo will be around 273-77ish consistently state to state dyno to dyno for the last 6 years.