Flowmaster Series 40 Muffler. The original 40 Series muffler delivers an aggressive exterior and interior tone. If you are looking for the original Flowmaster Sound" this muffler is for you. Constructed of 16-gauge aluminized steel and fully MIG-Welded For maximum durability. Muffler features 3" IN (center)/ 2-1/2" Dual OUT.
Features and Benefits
- Aggressive and Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- Excellent For Street/Strip and Off-Road Applications
- No Internal Packing to Blowout