Flowmaster Mustang 40 Series Delta Flow Offset Muffler

$12.05 (10%)
Part Number: 159 942543
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This Flowmaster 40 Series muffler features a two chamber design with patented Delta Flow technology for increased scavenging and performance all while keeping the vehicle's cabin quiet. Milder exterior tone and interior resonance over the original 40 Series.

Product Features

  • Fully welded 16 gauge steel
  • Race proven patented Delta Flow technology
  • Excellent Street/Strip and off road application

Note: This is a universal muffler. Some modification may be necessary for proper fitment.


CA Residents: Cancer and Reproductive Harm WARNING www.p65warnings.ca.gov.

Fitment & Features


Manufacturer: Flowmaster

Installation Information:

Tools Required: Basic Shop Tools
Install Time: About 1 Hour
Level of Difficulty: Medium
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