Hahaha, thanks. Well let me rephrase, was it noticeable?

 

I did notice that now I go faster down the straight at the track, so that would tend to indicate that it helped add power (not the only thing I changed, but close to it). I installed it before putting it back on the road in the spring, so I never had a proper before/after comparison.

 

Understandable. I think I'm going to go with the header/pre-silencer, I'll be sure to post a video.

 

Deciding to keep it emissions legal. Looking at the RB headers and bonez cat, or the Bonez superflo system. Which has the best gains? Smoothest sound? Etc.