Flowmaster 40 Series Performance Muffler 931076 ONYX Starter Shield offers the

ONYX Starter Shield offers the highest level of protection for starters from potential failure caused by under hood heat soak conditions

1-3/4 in ID

Ford:-:351W (5

Throttle Lever Adapter

Flowmaster 40 Series Performance Muffler 931076 ONYX Starter Shield offers theThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound, this is the muffler for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off