V-Twin Forum banner
1 - 1 of 1 Posts

· Registered
1,475 Posts
The exhaust gases pass throu the fiberglass packing in the pipe, verry litte goes throu the hole you write of. Drilling them out adds sound and if you make them too big (or take them out) they make alot of noise in the upper rpm's but quite at idle. Packing the S/E baffles may also be a choice.
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.