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.
Features & Benefits
Durable fully welded 409SS stainless steel
Aggressive Sound Exterior Exhaust Tone
Noticeable interior resonance
Excellent Street/Strip and Off Road application
