Ok thanks alot.

Lets say if I were to get an [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXGGV7&P=0]O.S. 46 LA[/link] engine, would I be able to put a smoke muffler on it? If so which ones? Would [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXAPU6&P=7]this muffler work?[/link] It is coiled to heat the oil. Or I head [link=http://www2.towerhobbies.com/cgi-bin/WTI0091P?&C=GMA&V=SLI]SlimLine[/link] is good, but is it compatible?

Thank you.