Flowmaster 40 SERIES Muffler
1979 to 1993 Mustang
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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 of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Not a direct factory muffler replacement , will fit all 5.0L Fox body Mustangs with some adaptation.
- 19" L X 9.75" W
- 2.25" Input, 2.25" Output diameters
- Durable fully welded 409 stainless steel
- Deep Aggressive Sound Exhaust Note
- Noticeable interior resonance
- Excellent Street/Strip and Off Road application