40 Series Mufflers

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.

Features:

•Durable Fully Welded 16ga Aluminized Steel

•Aggressive And Powerful Exterior Exhaust Tone

•Notable Interior Resonance

•Excellent Street/Strip And Off Road Application

•No Internal Packing To Blowout