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Flowmaster 2.5IN(O)/OUT(O) 40 Series Muffler

Flowmaster · New

Flowmaster 2.5IN(O)/OUT(O) 40 Series Muffler

MPN 42543 · Store SKU flo42543

$114.95
IN STOCK20 ready to ship

Supplier stock checked 11/8/2026, 6:01:40 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

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. 40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound Flowmaster 40 Series Chambered Muffler

Manufacturer fitment & guides

Check 42543 against the manufacturer’s application information below.

Manufacturer documents

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