Flowmaster 425404 - Flowmaster 40 Series Chambered Muffler

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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 o f 16 gauge aluminized steel and fully MIG welded for maximum durability. Features & Benefits No internal packing to blowout Excellent Street/Strip and Off Road application Aggressive Sound Exterior Exhaust Tone Durable fully welded 16 gauge aluminized steel Show more