ok this is getting ugly
look dude, if shortening your silencers improved power someone would straight up tell you, if you want a loud bike run without silencers at all, you wont be going faster, possibly slower but you`ll have that retard loud sound you desire.
you came to BHQ for help and advice right? concentrate on motor set up...ask questions....absorb the answers, if you want to debate fuckarse theories your country bumpkin know nothing nobody friend has on pipe design good luck to you.
your gunna get hammered and ulimately get very little help from the know it all assholes on here.
js