flowmaster
Flowmaster 42543 40 Series Muffler
- SKU:
- 19440767
- MPN:
- 42543
- Availability:
- Usually ships the same or next business day. In stock at our CA, FL, GA, KS, MI, PA, TX, WA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/12/2025 09:15:03 PM PST
- Stock Update:
- 12/12/2025 09:15:03 PM PST
Description
This item is brand-new, factory sealed.
Flowmaster 42543 2.5In(O)/Out(O) 40 Series Muffler- Excellent Street/Strip and Off Road application
- Noticeable interior resonance
- Aggressive Sound Exterior Exhaust Tone
- Durable fully welded 16 gauge aluminized steel
- MIG welded for maximum durability
- Manufacturer: Flowmaster
- Brand: Flowmaster
- Model: 42543
- Item Weight: 9.85 pounds
- Country of Origin: USA
- Item model number: 42543
- Is Discontinued By Manufacturer: No
- Exterior: Painted
- Manufacturer Part Number: 42543
- OEM Part Number: 42543
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.
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Flowmaster 42543 40 Series Muffler
$100.45