1969 Mustang Coupe powered by a 351W breathing through Flowmaster 40 Series mufflers. The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. https://holley-social.com/FlowMaster #FlowMaster #FlowMasterMufflers #FlowMasterEquipped #Flowmaster40Series | Flowmaster
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1969 Mustang Coupe powered by a 351W breathing through Flowmast…
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2.7K views · 24 reactions | If you have a late model pickup truck with 3.50" OEM exhaust tubing, we have the muffler for you. This Super 40 Series muffler, part #853548 is specifically intended for late model pickup trucks and features a 3.50" offset inlet/offset outlet configuration with larger 4.00" internals for maximum flow capabilities. For additional product information, please contact our Tech Line at 707-544-4761. | Flowmaster | Facebook
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2.7K views · 24 reactions | If you have a late model pickup truck wit…
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