[pandrade]

from the get go i knew there was alot of thought put into exhsuast but my knoladge is in race bikes. in my vintage race bike world sound is no issue so i can mathematicly desighn exhsaust for max performance that usualy are way to loud and not very refined. i can mess whith open mega phones,length, and specific back pressures but in auto motive( especialy turbo systems) im not very well versed.thats one more reson i apprichiate the help


[QUOTEExhaust and intake systems are like a wind or brass instrument][/QUOTE]

and thats why i belive yamaha has the BEST sounding exhsaust tone on the market, they have and understanding of insturments and raceing lol