To get the best flames, what I call the FOOMP, rev the engine and turn off the key with the revs over 2500. One thing: I've only done this with 16" shorty mufflers, which are open pipes. I have no idea what would happen with baffles.
Steelheart- '03 Speedmaster Black/Yellow
The Hayabusa Killa
16" Shorties/140 mains/Airbox drilled
Procom CDI
"There is no cure for Celibacy. But we can treat the symptoms."