Flowmaster Muffler Chart and Comparison (Loudest to Quietest)

Flowmaster Muffler Chart and Comparison

If you’re not familiar with the brandyou should know that Flowmaster mufflers are the gold standard for controlling the sound of a vehicle’s engine. In our Flowmaster muffler chartwe look at Flowmasterloudest to quietest. We compare various factors in their popular modelsincluding the exterior and interior sound levels you can expect to experience with eachwhether it’s made with stainless steel (and a limited lifetime warranty)Delta Flow chambered technology for a distinctive performance growlLaminar Flow (straight-through) technology for reduced interior turbulence or Cool Shell (heat reduction) tech to keep the muffler coolerparticularly when it’s mounted near fuel systems. We also make note of recommended applications for use.

How are Flowmaster Mufflers Rated for Sound?

Flowmaster places each of its mufflers into one of three sound-level categories: AggressiveModerate and Mild. Aggressive mufflers are the loudestoffering significant exterior sound with a noticeable concurrent level of sound and vibration within the vehicle. While many Flowmaster mufflers in this category are indeed street legalthey’re also considered racing-level mufflers. Within the Moderate categorywhich is popular with truck owners and those with V6 or V8 enginesusers can expect to experience a moderate level of exterior soundwith minimal interior sound and vibration. In the third category known as Milddrivers will experience lower sound levels which resemble stock or factory-level volumeswhile adding some distinctive tonal character.

Find Mufflers at All Sound Levels

With several muffler options at each Flowmaster sound-level rating available now and shipping free to the lower 48RealTruck makes it easy to find what you need. Within each Flowmaster categoryyour muffler options at RealTruck include the following:

Our Top Picks of the Best Flowmaster Exhaust Mufflers

If you’re looking for the best Flowmaster exhaust for your vehiclepreferences and budgetyour choices can start to feel a little overwhelmingwhich is why we’ve added this short section of three of our favorite Flowmaster muffler categories. All three are testedprovenhigh-quality products that we’ve sold plenty of. If you’re trying hard to narrow down your choicesthis could help:

1. Super 44 Series Delta Flow Mufflers

Among the most aggressive Flowmaster muffler ever made. Deepaggressive tone with increased exhaust flow for performance muscle cars and trucks. Maximized power and torque delivery.

2. 40 Series Original Mufflers

Aggressive interior and exterior tone. The originalhigh-performance Flowmaster. Available in a variety of configurationspipe sizes and materials. Lifetime warranty on stainless steel. Not for sensitive ears.

3. Super 10 Series Delta Flow Mufflers

The most aggressive Flowmaster muffler available. Recommended for racing applications. Compact size and limited lifetime warranty in stainless steel. Shortsingle-chamber and loudlike an open pipe.