Flowmaster 425404 Original 40 Series Muffler 2.5" Dual Inlet / 2.5" Dual Outlet
40 Series Muffler, 2.50" IN (D) / OUT 2.50" (D): ea, 16 Gauge Aluminized Steel
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 aluminized steel and fully MIG-welded for maximum durability.
- 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
Looking for the most aggressive sound in the Flowmaster muffler line? Then take a look at these 40 series Flowmaster mufflers. Designed for use on street and strip vehicles, they take the sound waves produced in the exhaust, and cancel them against angled baffles built into the muffler case. This improves both horsepower and fuel economy. Best of all, these Flowmaster mufflers allow you to hear that cool Flowmaster tone inside of the vehicle, as well as outside of it. So, if you want more power and less noise, then you've gotta get these Flowmaster mufflers.