There are several videos on Youtube for polishing aluminum and stainless.

 

Im on the youtube now .......

 

Our shop builds headers (all stainless) so we have a tumbler for polishing stainless. But easiest and cheapest way would probably be to do it yourself especially if their just zoomies.

 

Patience and time.

 

Next set I play with I want to try a cork belt.... like used in knife working and crankshaft polishing. For zoomies where you might have access to ~200 degrees of multiple tubes without obstruction, it might speed up the process.

 

Pretty much everything you'll need can be found here.

Zephyr Polishes

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Semichrome and lots of clean white rags and elbow grease

 

get them electroplated

 

DCF the world!! Deters Custom Finishing these guys do amazing work check there stuff on instagram.

 

Hell Yeah I know where that came from John Doc.