Great link to a well-written document on the basics of smoke. It didn't really talk much about customized, replacement mufflers. Does anyone have any experience with the Mac's brand and whether or not they make a difference? I may just have to stick with retracts & give up on the smoke for now. [

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[link=http:////www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXZ656&P=ML]Macs muffler for OS 61[/link]