Originally Posted by oledoc2u

This is dead thread. Rudy has moved on to another job, and I haven't heard a thing from those at Speedriven. I personally don't see how #1 you can fit anything in there other than what is there, and I, for the few who have ventured into shorty headers, saw no HP gains. Long tubes, maybe, but the cost for so little HP would probably kill the project. I think we have modded out this motor with bolt on's. I have no interest of going internal as long as the motors are healthy. So, it is what it is...