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Flowmaster 3.5 IN(O)/OUT(O) 50 Series BB Muffler

Flowmaster · New

Flowmaster 3.5 IN(O)/OUT(O) 50 Series BB Muffler

MPN 53553 · Store SKU flo53553

$327.95
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Supplier stock checked 11/8/2026, 3:26:27 AM UTC. Adding a part does not reserve it.

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Product details

The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. 50 Big Block - 3.50 Offset In / 3.50 Offset Out - Mild Sound Flowmaster 50 Series Big Block Chambered Muffler

Manufacturer fitment & guides

Check 53553 against the manufacturer’s application information below.

Manufacturer documents

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