Top 10 Best 40 Series Flowmaster

of November 2024
1
Best ChoiceBest Choice
Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT -
Flowmaster
Flowmaster
10
Exceptional
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2
Best ValueBest Value
Flowmaster 43043 40 Series Muffler - 3.00 Offset IN / 3.00 Offset OUT -
Flowmaster
Flowmaster
9.9
Exceptional
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3
Flowmaster 430402 3In (C)/2.5Out (D) 40 Series Muffler
Flowmaster
Flowmaster
9.8
Exceptional
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4
Flowmaster 8042543 40 Series Muffler 409S - 2.50 Offset IN / 2.50 Offset OUT -
Flowmaster
Flowmaster
9.7
Exceptional
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5
Flowmaster 953047 3 In(C)/Out(O) Super 40 Series Muffler
Flowmaster
Flowmaster
9.6
Exceptional
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6
Flowmaster 42443 40 Series Muffler - 2.25 Offset IN / 2.25 Offset OUT -
Flowmaster
Flowmaster
9.5
Excellent
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7
Flowmaster 80430402 40 Series Muffler 409S - 3.00 Center IN / 2.50 Dual OUT -
Flowmaster
Flowmaster
9.4
Excellent
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8
Flowmaster 42543 2.5In(O)/Out(O) 40 Series Muffler
Flowmaster
Flowmaster
9.3
Excellent
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9
Flowmaster 8525454 Super 40 Series 2.50" Dual in and Out 16 Gauge 409S
Flowmaster
Flowmaster
9.2
Excellent
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10
Flowmaster 43041 40 Series Muffler
Flowmaster
Flowmaster
9.1
Excellent
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About 40 Series Flowmaster

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Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound, Black

Durable fully welded 16 gauge aluminized steel. Aggressive and powerful exterior exhaust tone. Notable Interior resonance. Excellent street, strip and off road application. No Internal packing to blowout. Fit type Universal Fit.

Flowmaster 43043 40 Series Muffler - 3.00 Offset IN / 3.00 Offset OUT - Aggressive Sound, Black

Durable fully welded 16 gauge aluminized steel. Aggressive and powerful exterior exhaust tone. Notable Interior resonance. Excellent street, strip and off road application. No Internal packing to blowout. Fit type Universal Fit.

Flowmaster 430402 3In (C)/2.5Out (D) 40 Series Muffler

Excellent StreetStrip and Off Road application. Noticeable interior resonance. Aggressive Sound Exterior Exhaust Tone. Durable fully welded 16 gauge aluminized steel. MIG welded for maximum durability.

Flowmaster 8042543 40 Series Muffler 409S - 2.50 Offset IN / 2.50 Offset OUT - Aggressive Sound Black

Excellent StreetStrip and Off Road application. Noticeable Interior Resonance. Aggressive Sound Exterior Exhaust Tone. Durable fully welded 409SS stainless steel. Fully MIG welded for maximum durability.

Flowmaster 953047 3 In(C)/Out(O) Super 40 Series Muffler

Deep Aggressive Sound Exhaust Note. Noticeable interior resonance. Excellent performance on high horsepower vehicles. Race proven Delta Flow technology. Easy Installation.

Flowmaster 42443 40 Series Muffler - 2.25 Offset IN / 2.25 Offset OUT - Aggressive Sound, Black

Durable fully welded 16 gauge aluminized steel. Aggressive and powerful exterior exhaust tone. Notable Interior resonance. Excellent street, strip and off road application. No Internal packing to blowout. Fit type Universal Fit.

Flowmaster 80430402 40 Series Muffler 409S - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound, Black

Excellent StreetStrip and Off Road application. Noticeable Interior Resonance. Aggressive Sound Exterior Exhaust Tone. Durable fully welded 409SS stainless steel. Fully MIG welded for maximum durability.

Flowmaster 42543 2.5In(O)/Out(O) 40 Series Muffler

Excellent StreetStrip and Off Road application. Noticeable interior resonance. Aggressive Sound Exterior Exhaust Tone. Durable fully welded 16 gauge aluminized steel. MIG welded for maximum durability.

Flowmaster 8525454 Super 40 Series 2.50" Dual in and Out 16 Gauge 409S Stainless Steel Exhaust System Black

Excellent performance on high horsepower vehicles. Noticeable interior resonance. Deep Aggressive Sound Exhaust Note. Durable fully welded 409SS stainless steel. Easy Installation.

Flowmaster 43041 40 Series Muffler

Excellent StreetStrip and Off Road application. Noticeable interior resonance. Aggressive Sound Exterior Exhaust Tone. Durable fully welded 16 gauge aluminized steel. MIG welded for maximum durability.
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