13K views · 255 reactions | This COMP Cams “Mutha’ Thumpr” camshaft, and a 3” exhaust system in this ‘68 Camaro is sounding super choppy!  #ShahanPerformance #1968camaro #FlowMaster #CompCams | Flowmaster | Facebook
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13K views · 255 reactions | This COMP Cams “Mutha’ Thumpr” ca…
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