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

600HP 1969 Ford Mustang | Test Drive & Build Breakdown Doug takes some time here to test drive Eric's '69 before pickup and details out some of the work that went into this beast. We would consider this a "Survivor Series" build as we handled everything up until the paint and body work. "Had a blast of a weekend driving it!!! Compliments were plentiful everywhere I went." -Eric S. >> Ultimate Turn-Key Package (Drop In Ready Engine - Trans - Cooling - Fuel Supply) >> Ridetech Suspension >> Wilwoo