40 Series - 2.50" IN(C)/OUT(O) - Aggressive Sound 1971-mercury-marquis-esi4030523 Fuel Cell Mounting Strap -

Fuel Cell Mounting Strap - 24 in Wide x 10 in Tall - Steel - Black Primer - RCI 2200 Series 20 Gallon Fuel Cells - Kit

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

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

Filler Bung - Bolt-On - 1

12 in Compressed - 23

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