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Flowmaster Muffler

We have 195 Items In-stock.
Flowmaster Muffler, Flowmaster Super 44 Series, Aluminized Steel, Black
$79.95 List Price: $103.47 Save: $23.52 Availability: In Stock
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  • Free Ground Shipping
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FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely (see more)

  • SKU#: F139430452
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Rating: (see review/s)

"excelent part orderd this on monday got it on thursday suprisingly heavy extreemly well built had to look around for a rudecer went to auto zone advanced auto parts and many other places i finaly had to go to a muffler shop and have them make a reducer 2 fit but when i put it on it soun ds wonderful it truely is the deepest tone out there i have an f 150 v6 4.2 and it sounds like a big bl very nice ock" posted by: phast phreddy on November 27, 2009

"well the appearance the product itself is really well built, heavy, but the performance for the 2005 2.5s nissan altima its not that much of a noise it makes a nice small sound but nothing agresive i compare this muffler to a boy but i need a daddy more aggresive one ill probably have to talk to the mechanic to see if he can tell me anything about it!" posted by: moldoveanu on August 21, 2009 view all 9 reviews

Flowmaster Muffler, Flowmaster Super 44 Series, Aluminized Steel, Black
$79.95 List Price: $103.47 Save: $23.52 Availability: In Stock
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FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely (see more)

  • SKU#: F13943048
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster Super 44 Series, Aluminized Steel, Black
$79.95 List Price: $103.47 Save: $23.52 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
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FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely (see more)

  • SKU#: F13942448
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Rating: (see review/s)

"My wifes 2003 Mustang GT had holes in the original factory mufflers so it was time for a replacement. Went with a pair of MagnaFlows first but she didnt like their sound level (too quiet). Replaced them with the FlowMaster Super 44s and now shes a happy camper. The have a beautiful exterior tone not too loud but very aggressive. The interior is very quiet though with almost no resonance. I prefer a little more noise inside but she doesnt. Best of both worlds. Had these installed at a local muffler shop for best results. Dont want any exhaust gas leaks." posted by: Gangster of Love on February 6, 2013

"worth the buy. made my 2006 xterra have a nice roar" posted by: Wheelz on March 23, 2009 view all 5 reviews

Flowmaster Muffler, Flowmaster 40 Series Original, Aluminized Steel, Gray
$77.50 List Price: $100.29 Save: $22.79 Availability: In Stock
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  • Free Ground Shipping
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FLOWMASTER – 40 SERIES ORIGINAL MUFFLERS

Flowmaster’s 40 Series Original mufflers turn give your ride that rich muscle car rumble and turn it into a performance powerhouse with an aggressive, deep (see more)

  • SKU#: F1342543
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster Super 50 Series, Aluminized Steel, Gray
$129.99 List Price: $168.22 Save: $38.23 Availability: In Stock
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FLOWMASTER – SUPER 50 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 50 Series Delta Flow mufflers give your vehicle little grunt with their moderate to mild tone (depending on how you tune it) – (see more)

  • SKU#: F13524553
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Moderate
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
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Flowmaster Muffler, Flowmaster 70 Series, Aluminized Steel, Gray
$144.99 List Price: $187.64 Save: $42.65 Availability: In Stock
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FLOWMASTER – 70 SERIES MUFFLERS

Flowmaster’s 70 Series mufflers turn your SUV, truck or motorhome into something a little more enjoyable to drive, making it faster and easier on your vehicle’s (see more)

  • SKU#: F1353072
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Mild
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster 40 Series Original, Aluminized Steel, Gray
$77.50 List Price: $100.29 Save: $22.79 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
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FLOWMASTER – 40 SERIES ORIGINAL MUFFLERS

Flowmaster’s 40 Series Original mufflers turn give your ride that rich muscle car rumble and turn it into a performance powerhouse with an aggressive, deep (see more)

  • SKU#: F1342441
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster Super 44 Series, Aluminized Steel, Black
$79.95 List Price: $103.47 Save: $23.52 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
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FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely (see more)

  • SKU#: F13942446
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Rating: (see review/s)

"I had Midas Muffeler install the Super 44 Flowmaster Series on My 1998 Grand Marquis. It sounds tough when you start the engine. Not too loud or obnoxious just right. Does not rattle inside the vehicle. When you cruising its very low and deep can barely hear it , but you know its there. I was told to go with the Delta flow 50 series which would have been too quiet and a waste of money. If you have a grand marquis get the super 44 flowmaster series. Deep , rich sound, not too agressive. Perfect 10!!" posted by: buddy810 on December 26, 2007

Flowmaster Muffler, Flowmaster 40 Series Delta Flow, Stainless Steel, Gray
$102.99 List Price: $133.28 Save: $30.29 Availability: In Stock
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FLOWMASTER – 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s 40 Series Delta Flow mufflers give your daily driver a noticeable edge with a deep, aggressive tone while still keeping it quieter on the (see more)

  • SKU#: F13842442
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster 50 Series Big Block, Aluminized Steel, Gray
$182.99 List Price: $236.81 Save: $53.82 Availability: In Stock
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FLOWMASTER – 50 SERIES BIG BLOCK MUFFLERS

Flowmaster’s Big Block mufflers turn your big rig – truck, SUV or motorhome – into something a little more pleasant to drive, giving it a nice, quiet tone (see more)

  • SKU#: F13530513
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Mild
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Rating: (see review/s)

"This was easy to install with a lift and welder. Great V8 sound without the vibrating or rattling, like other mufflers. Loud enough to let everybody know without waking the neighbors. Would recommend adding a coat of high temp paint to help with the rust." posted by: on April 7, 2011

"I use flowmaster products on all my vehicles simply because they are the best in my book. I like the sound and performance of the product." posted by: on December 3, 2008

Flowmaster Muffler, Flowmaster Super 40 Series, Aluminized Steel, Black
$89.99 List Price: $116.46 Save: $26.47 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
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FLOWMASTER – SUPER 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 40 Series Delta Flow mufflers give your vehicle noticeable edge with their aggressive tone – surely one of the reasons they’re a (see more)

  • SKU#: F13952547
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster Super 44 Series, Aluminized Steel, Black
$79.95 List Price: $103.47 Save: $23.52 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)

FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely (see more)

  • SKU#: F13942548
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster Super 44 Series, Aluminized Steel, Black
$79.95 List Price: $103.47 Save: $23.52 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)

FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely (see more)

  • SKU#: F13943049
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster 40 Series Delta Flow, Aluminized Steel, Gray
$89.99 List Price: $116.46 Save: $26.47 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
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FLOWMASTER – 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s 40 Series Delta Flow mufflers give your daily driver a noticeable edge with a deep, aggressive tone while still keeping it quieter on the (see more)

  • SKU#: F139424412
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Aggressive
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
Flowmaster Muffler, Flowmaster 70 Series, Aluminized Steel, Gray
$144.99 List Price: $187.64 Save: $42.65 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
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FLOWMASTER – 70 SERIES MUFFLERS

Flowmaster’s 70 Series mufflers turn your SUV, truck or motorhome into something a little more enjoyable to drive, making it faster and easier on your vehicle’s (see more)

  • SKU#: F1352570
  • Brand: Flowmaster
  • Product Fit:   Minor Modifications
  • Quantity Sold:   Sold Individually
  • Sound Level:   Mild
  • Recommended Use:   Performance
  • Anticipated Ship Out Time:   1-2 Business Days
(see more)
View Less

One of the most obvious and important parts of any exhaust system is the muffler. The muffler works like a gun silencer to quiet your exhaust note. Basically, the muffler uses a series of baffles and ports to reflect the acoustic waves around the muffler chamber, and they cancel each other out, quieting the exhaust significantly. Because the exhaust gasses do not flow through in a straight line, the muffler is a source of airflow restriction, which is why you want to install a muffler designed to move the gasses through as efficiently and as quickly as possible. The Flowmaster muffler is one such design. Like all Flowmaster exhaust components, the Flowmaster muffler is designed to reduce the pressures that it takes to move the gasses through, and that translates to more power. The Flowmaster muffler is designed for a wide range of applications, but they are most at home on powerful automobiles. You can gain some fairly significant horsepower with a Flowmaster muffler, and they also sound amazing. Every Flowmaster muffler has a deep rumble that can really get you some attention no matter where your tach is positioned. Car hobbyists deserve excellent sales help when purchasing good quality car or truck parts. Thus, we established a round-the-clock information and support desk to support you with your requests. To sweeten the deal, we provide 100% free shipping on every order $50 or higher. If you spot a lower price elsewhere, call us - we will meet or beat any legitimate auto part price.

Flowmaster Muffler Review
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Overall Rating 4.8

Trading your stock muffler for an aftermarket muffler is one of the best things that you can do to give your vehicle a more personalized touch. Choosing the right one for you can be pretty tough, though, as there are so many to choose from in the market. With that said, a Flowmaster muffler is one of the better options out there. Let's see just how good it is.

Features
  • Composed of stainless steel
  • Oval-shaped
  • Specifications: 13 in. length, 9.75 in. width, 4 in. height, 19 in. overall length
  • Uses a single-center inlet and dual offset outlet configuration
  • Uses the brand's patented "Delta Flow" technology
  • Boasts of two-chamber internals for superior power and a more aggressive sound
  • Sports a sleek black finish
  • Comes with a Flowmaster lifetime limited warranty

We tested the product in our Chevrolet Silverado 1500. Below are our observations:

The Good
  • Installing it was a breeze.
  • It made our hulking Chevrolet Silverado 1500 even more badass. The aggressive sound produced by the Flowmaster muffler complemented the image of our vehicle.
  • The Delta Flow technology is the real deal--it helped improve the performance of our Chevrolet Silverado 1500. Throttle response became noticeably better after installing the Flowmaster muffler. Those looking for an extra kick would surely appreciate this.
  • The product features a case that's smaller than those used by most other mufflers. This allowed our vehicle to have greater ground clearance. Two thumbs up for this as we don't have to worry (that much, at least) about it getting damaged!
  • The sleek black muffler added to our vehicle's style points. It's subtle, but it's a very welcome bonus.
The Bad
  • While we found the more aggressive sound rather appealing, there's a chance that others won't. You may not like it yourself. It's more of a taste thing, after all.
  • If you're looking for a muffler that's really quiet, then you're looking at the wrong product. There are numerous other mufflers that do a better job at, well, muffling sound. Still, the Flowmaster muffler isn't so bad at it.
The Verdict

The Flowmaster muffler may not be the perfect muffler for everyone. However, it does have a lot of good things going for it. It's functional, stylish, and rust-resistant, after all. On top of those, installing it wasn't a real chore. Don't forget the lifetime warranty, too. So yeah, it's definitely a good buy with all of those in mind.