Flowmaster 40 Series Delta Flow Mufflers
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- Ships By 11/26
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- The Flowmaster 40 Series Delta Flow Muffler boasts famous Flowmaster power and torque with a milder tone and reduced interior resonance
- The ideal muffler for late-model performance cars and dual-exhaust cruisers
- Utilizes Delta Flow deflector technology for noise reduction and superior exhaust scavenging
- Original two-chamber design maximizes horsepower and torque
- Casing embossed with the Flowmaster name
- Available in aluminized and stainless steel
- Your Flowmaster 40 Series Delta Flow Muffler carries a 3-year warranty on aluminized and Limited Lifetime Warranty on stainless
All the power and performance of Flowmaster's muscular mufflers without the roaring interior resonance-that's the idea behind their 40 Series Delta Flow Muffler. It's the ideal pick for late-model performance cars that want powerful exterior tone while enjoying a quieter ride.
At the heart of the 2-chamber design is Flowmaster's exclusive Delta Flow technology. This innovative engineering utilizes precision-placed deflectors that not only mute interior sound, they fuel increased exhaust scavenging for the most possible power.
Also ideal for dual exhaust cruisers, the Flowmaster 40 Series Delta Flow Muffler boasts the quality construction you'd expect from Flowmaster. Each Flowmaster muffler is built with 16-gauge aluminized steel or stainless steel for corrosion resistance and fully mig-welded for maximum durability. Best yet, your Flowmaster 40 Series Delta Flow Muffler boasts a 3-year warranty on aluminized and a Limited Lifetime Warranty on stainless steel.
- Flowmaster 40 Series Delta Flow Mufflers come in a variety of inlet/outlet configurations and sizes, shown above. Select the inlet/outlet diameter you need from the drop down at right.
- Select 40 Series Delta Flow model configurations are available with T-409 stainless steel construction instead of aluminized steel for extending protection against corrosion and yellowing.
Flowmaster 40 Series Delta Flow Mufflers Customer Reviews
63 Customer Reviews
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Reviewed by Birgitta L (N. BARRINGTON, IL) Reviewed for a 1995 Lexus ES 300 — Apr 29, 2014 5:35 PM
The muffler is loud. I have a high flow resonator and it still has a lot of noise. It's a good sound but there is a lot of drone in low rpms. I can deffinetly feel a power difference. Overall it's good just a bit to much drone.
Reviewed by Mitch H (Overland Park, KS) Reviewed for a 2013 Dodge Ram — Dec 10, 2013 4:18 PM
This was a great addition to my Ram 1500 Express. Sounds great, turns heads down the road. Can't recommend it enough for anyone looking to get some great sound out of their truck.
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