Best Fmf Mufflers in 2026

Daisy
Last Updated: Feb 8, 2026

At a Glance: Our Top Picks for Fmf Mufflers

Flowmaster 943046 Super 44 Muffler - 3.00 Offset IN / 3.00 Center OUT - Aggressive Sound, Black
#TOP1
Flowmaster 943046 Super 44 Muffler - 3.00 Offset
9.8
PM SCORE
Flowmaster Direct-Fit Muffler 409S - Outlaw
#TOP2
Flowmaster Direct-Fit Muffler 409S - Outlaw
9.7
PM SCORE
Flowmaster 942547 Super 44 Muffler - 2.50 Center IN / 2.50 Offset OUT - Aggressive Sound
#TOP3
Flowmaster 942547 Super 44 Muffler - 2.50 Center
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Fmf Mufflers of 2026

Market Overview
Fmf Mufflers Reviewed
  • Reviews Analyzed: 3397 Items
  • PM Avg. Rating: 7.2 / 10
25 Products Evaluated
  • Highest Price: $367.83
  • Lowest Price: $49.60
  • Avg. Price: $144.31

Flowmaster 943046 Super 44 Muffler - 3.00 Offset In / 3.00 Center Out - Aggressive Sound, Black

FLOWMASTER
943046
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Fit Type: Universal Fit

Deep aggressive exhaust note

Noticeable Interior resonance

No Internal packing to blowout

Flowmaster Direct-Fit Muffler 409S - Outlaw

FLOWMASTER
817846
49.00 X 9.75 X 15.25 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

These are complete line of Heavy-Duty Shop Products that will bring you years of reliable performance

Brand name to trust on

These products on exceptionally high order fulfillment rates, breadth of available products

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions

Flowmaster 942547 Super 44 Muffler - 2.50 Center In / 2.50 Offset Out - Aggressive Sound

FLOWMASTER
942547
1.00 X 1.00 X 1.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Fit Type: Universal Fit

Deep aggressive exhaust note

Noticeable Interior resonance

No Internal packIng to blowOut

Flowmaster 942447 Super 44 Muffler - 2.25 Center In / 2.25 Offset Out - Aggressive Sound, Black

FLOWMASTER
942447
0.00 X 0.00 X 0.00 Inches
0.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Deep aggressive exhaust note

Noticeable Interior resonance

Recent two chamber improvement

Race proven patented delta flow technology

No Internal packing to blowout

Fit type: Universal Fit

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

FLOWMASTER
953047
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DotComParts, Inc. 5.69

Features

Deep aggressive to moderate exhaust note

Moderate interior resonance

Excellent performance on high horsepower vehicles

Race proven patented delta flow technology

Flowmaster 8042543 40 Series Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound Black

FLOWMASTER
8042543
0.00 X 0.00 X 0.00 Inches
9.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Excellent Street/Strip 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 71415 2.25"In(C)/Out(C) Flow Fx Muffler, Round, 14", Brushed

FLOWMASTER
71415
4.70 X 21.20 X 4.50 inches
6.00 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MAPerformance 9.70

Features

durable fully welded 409s stainless steel case.Material:Stainless Steel

straight through design

moderate exterior performance tone

will fit nicely on just about any application

delivers a moderate sound level

Fit type: Universal

Flowmaster 842518 Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound, Black

FLOWMASTER
842518
6.50 X 9.50 X 4.00 Inches
6.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

409SS Stainless Steel Construction

Aggressive Sound

Flowmaster Chambered Technology

Premium Quality

Easy Installation

Flowmaster 942551 50 Delta Flow Muffler - 2.50 Offset In / 2.50 Center Out - Moderate Sound, Black

FLOWMASTER
942551
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DotComParts, Inc. 5.34

Features

Moderate Sound

Mild interior resonance

Excellent choice for Street Rod cars and trucks

Improved Horsepower, Torque and Engine Efficiency

Easy Installation

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

FLOWMASTER
80430402
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Excellent Street/Strip 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 8042541 2.5In(O)/Out(C) 40 Series 409S Muffler

FLOWMASTER
8042541
0.00 X 0.00 X 0.00 Inches
9.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Fit Type: Universal Fit

Part number: 8042541

Package Weight: 9.95 pounds

Package Dimensions: 13.335 H x 52.07 L x 25.146 W (centimeters)

Flowmaster 815425 Outlaw Race 2.50" Center In/2.50" Center Out 409S Muffler With Aggressive Sound, Black

FLOWMASTER
815425
0.00 X 0.00 X 0.00 Inches
6.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Stainless steel construction

Aggressive performance tone

Maximizes exhaust scavenging

Compact, lightweight design

Dyno proven performance

Fit type: Universal Fit

Flowmaster 8043043 40 Series Muffler 409S - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound, Black

FLOWMASTER
8043043
0.00 X 0.00 X 0.00 Inches
9.50 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Fit type: Universal Fit

Package Dimension : 20.5 inches L x 10 inches W x 4.5 inches H

Country of Origin: UNITED STATES

Item Package Weight : 11 pounds

#TOP14

Flowmaster 943053 50 Delta Flow Muffler - 3.00 Offset In / 3.00 Offset Out - Moderate Sound, Black

FLOWMASTER
943053
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Mild to moderate exterior exhaust tone

Reduced Interior resonance

Excellent choice for street rods cars and trucks

Improved horsepower or torque and potential mileage improvement

Race proven patented delta flow technology

Fit type: Universal Fit

#TOP15

Flowmaster 53056 3 In(O)/Out(C) 50 Series Muffler Suv/Pf

FLOWMASTER
53056
0.00 X 0.00 X 0.00 Inches
17.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Minimal interior resonance

Mild to stock exterior exhaust tone

Excellent choice for large displacement vehicles

Improved Horsepower, Torque and Engine Efficiency

MIG welded for maximum durability

Flowmaster 952548 Super 40 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound, Black

FLOWMASTER
952548
0.00 X 0.00 X 0.00 Inches
13.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Deep aggressive to moderate exhaust note

Moderate interior resonance

Excellent performance on high horsepower vehicles

Race proven patented delta flow technology

No internal packing to blow-out

Fit type: Universal Fit

#TOP17

Flowmaster 9430462 Super 44 Muffler - 3.00 Offset In / 2.50 Dual Out - Aggressive Sound, Black

FLOWMASTER
9430462
0.00 X 0.00 X 0.00 Inches
8.85 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Deep aggressive exhaust note

Noticeable interior resonance

Recent two chamber improvement

Race proven patented delta flow technology

No internal packing to blow-out

Fit type: Universal Fit

#TOP18

Flowmaster 942043 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Offset Out - Aggressive Sound, Black

FLOWMASTER
942043
0.00 X 0.00 X 0.00 Inches
10.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Durable fully welded 16 gauge aluminized steel

Reduced Interior resonance

Excellent street, strip and off road application

No Internal packing to blowout

Race proven patented delta flow technology

Fit type: Universal Fit

Flowmaster 842583 80 Series Muffler 409S - 2.50 Offset In / 2.50 Dual Out - Aggressive Sound, Black

FLOWMASTER
842583
0.00 X 0.00 X 0.00 Inches
11.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Aggressive and powerful exterior exhaust tone

Notable interior resonance

It fits Camaro/Firebird/Buick Grand National 1984 to 2002

Cross flow applications

Original two chamber design

Fit Type: Universal Fit

#TOP20

Flowmaster 942443 2.25 In(O)/Out(O) 40 Series Df Muffler

FLOWMASTER
942443
20.30 X 9.90 X 4.50 Inches
10.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Durable fully welded 16 gauge aluminized steel

Excellent Street/Strip and Off Road application

No internal packing to blowout

Race proven Delta Flow technology

Easy Installation

Flowmaster 530722 70 Series Muffler - 3.00 Center In / 2.25 Dual Out - Mild Sound Black

FLOWMASTER
530722
0.00 X 0.00 X 0.00 Inches
21.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Minimal interior resonance

Improved Horsepower, Torque and Engine Efficiency

Recommended for SUV/trucks/motorhomes/tow vehicles

Mild to stock exterior exhaust tone

MIG welded for maximum durability

#TOP22

Flowmaster 9530582 3 In(O)/2.5 Out(D) 50 Series Hd Muffler

FLOWMASTER
9530582
0.00 X 0.00 X 0.00 Inches
17.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DotComParts, Inc. 9.91

Features

Fit Type: Universal Fit

Reduced interior resonance

Race proven patented delta flow technology

Moderate to aggressive exterior exhaust tone

Flowmaster 52580 80 Series Muffler - 2.50 Offset In / 2.50 Same Side Out - Aggressive Sound, Black

FLOWMASTER
52580
0.00 X 0.00 X 0.00 Inches
15.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HINSON Motorsports 9.47

Features

Aggressive and powerful exterior exhaust tone

Notable Interior resonance

1985 to 2002 Camaro, Firebird and Buick Grand National

Cross flow applications

The original two chamber design

Fit Type: Universal Fit

Flowmaster 42582 80 Series Muffler - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound, Black

FLOWMASTER
42582
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Aggressive and powerful exterior exhaust tone

Notable Interior resonance

1982 to 2002 Camaro, Firebird and Buick Grand National

Cross flow applications

The original two chamber design

Fit Type: Universal Fit

#TOP25

Flowmaster 8530452 3 In(C)/2.5 Out(D) Super 40 409S Muffler

FLOWMASTER
8530452
0.00 X 0.00 X 0.00 Inches
14.53 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Excellent performance on high horsepower vehicles

Noticeable interior resonance

Deep Aggressive Sound Exhaust Note

Durable fully welded 409SS stainless steel

Easy Installation

Top 10 mufflers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Flowmaster 25

Top 10 mufflers Brands Pie Chart


We've carried out a comprehensive analysis of 3,397 reviews on mufflers, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select mufflers priced around $144.31, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 25 mufflers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right mufflers Products based on their needs, saving them considerable time when choosing which mufflers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.