40 Series - 2.50" IN(C)/OUT(O) - Aggressive Sound 1971-mercury-marquis-esi4030523 Engine Oil Dipstick - Stick

Engine Oil Dipstick - Stick Only - Locking - Steel - Passenger Side - GM LS-Series - Each

1 - Steel - Internal Balance - Ford FE-Series - Each

12 in Compressed - 23

850 in / 0

Radiator Cap - 12-15 lb - Octagon - Be Cool Logo - Aluminum - Polished - Standard Size Radiator Necks - Each

40 Series - 2.50" IN(C)/OUT(O) - Aggressive Sound 1971-mercury-marquis-esi4030523 Engine Oil Dipstick - StickThe 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. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.