2005 HD Ultra with modifications:
AIR CLEANER HIGH FLOW KIT
RACE TUNER
KIT, CYLINDER HEAD SCREAMING EAGLE
COMPRESSION RELEASES
1550 PISTONS AND CONVERSION KIT
258 CAM KIT
S&S TWIN CAM PUSHRODS
SCREAMIN EAGLE HEAVY DUTY CLUTCH SPRING
Current slip ons are way to loud. Original crossover front end. I would like to quiet it down and not lose too much power. I would also like to cool it down if possible. Any suggestion on the number of discs per side that I should start with? Set for install and Dyno Friday.
Thanks Tony