What stacks are these?
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yes those are in fact aussies but I do believe they are 6 inch though my dodge has 6 inch aussies and I say they are because I made my own projector lights and I used the factory fog lights and a 6" pipe. they work great but it looks like the fog lights are the same size as the exhaust so I say 6" but they look great on anything as long as they dont stick 1-2 foot above the cab then turnout
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