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 for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Excellent street/strip and off road application
Durable fully-welded 16 gauge aluminized steel
Aggressive sound exterior exhaust tone
Noticeable interior resonance
Application: Universal. This item is not listed against specific year/make/model vehicles. Please confirm dimensions and inlet/outlet configuration before purchase.
Manufacturer Part Number: 42443
Images are for illustrative purposes only. Actual product may vary.
⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
