Flowmaster Super 44 Delta Flow Muffler

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Fitment Info

Deep and aggressive tone muffler Delta flow technology Increased flow path radius MIG welded Manufacturer's warranty Made in the USA

Our #1 value is customer service.

We believe in doing right by our customers, no matter what it takes.

In keeping with that, we offer a “perfect fit guarantee” that ensures your satisfaction on 3 levels: low price, free shipping, and perfect fitment.

- Alan Marek, Founder of PartCatalog.com

The Lowest Price Anywhere--Guaranteed

At PartCatalog, we’ll beat any competing vendor’s price. And we’re so confident in our rock-bottom prices that we’ll refund the difference if you find a lower price elsewhere.

Free Shipping Both Ways

Our “free shipping both ways” policy means that returns and orders ship free of charge. When you place an order, you pay only the list price and any applicable taxes. We cover the shipping to save you money and ensure timely delivery.

100% Guaranteed to Fit

In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.


  • Convert your car's exhaust noise into a deep aggressive drone
  • Delta flow technology ensures maximum performance with no internal resonance
  • Increased flow path radius for more unrestricted horsepower
  • Available in two options: stainless steel and aluminized steel
  • MIG welded for strength and toughness that lasts beyond expectations
  • Manufacturer's guarantee of quality and superior crafting
  • Made in the USA with authentic materials in an economy-building industry
Deep and aggressive tone muffler

Deep and aggressive tone muffler

The Flowmaster 44 delta reduces exhaust noises and converts them to a moderate drone. It is affordable, easy to install and is guaranteed to give you excellent performance. It is made with superior technology and quality materials to add value to your vehicle.

Optimum performance

Optimum performance

Delta flow technology ensures optimum performance by separating sound waves using delta-shaped baffles. These reverse unwanted sound waves to produce a deep growl that is unique to Flowmaster mufflers.

Increased horse power

Increased horse power

The radius of the muffler flow path is strategically increased to allows a smoother and quicker exhaust flow. This increases the horsepower with fewer restrictions on the flow.

Choose between stainless and aluminized steel

Choose between stainless and aluminized steel

The Flowmaster 44 delta muffler is available in two options: stainless steel and aluminized steel. Choose the option that best suits your vehicle's requirements as well as your preference.

Made strong to last long

Made strong to last long

It is MIG welded for super strength and high quality. It will serve you for years while adding value to your truck without getting damaged or tarnished.

Manufacturer's guarantee

Manufacturer's guarantee

Flowmaster assures you that your muffler is made with the very best quality materials in the industry. The stainless steel mufflers come with a limited lifetime warranty, while the aluminized steel mufflers have a three-year warranty.

Proudly made in the USA

Proudly made in the USA

Flowmaster is proudly American. It manufactures the mufflers on American soil using local labor and resources. The company employs thousands of Americans every year, positively contributing to the growth of the economy.

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Lifetime Limited Warranty applies to Flowmaster stainless steel mufflers (excluding FlowFX series).
Three (3) Year Limited Warranty applies to Flowmaster aluminized steel mufflers.
Part Numbers

The following part numbers are available in this product line:

842446, 842448, 842546, 842548, 8430452, 843046, 843048, 942445, 942446, 942447, 942448, 942449, 942545, 942546, 942547, 9425472, 942548, 943046, 943048, 943049

To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.

Buick (1975-1987)

Regal, Skylark

Cadillac (2007)


Chevrolet (1963-2015)

Blazer, C10, C1500, C20, C2500, C30, Camaro, Caprice, Chevelle, Cobalt, Colorado, Corvette, El Camino, Impala, K10, K1500, K20, K2500, K30, K5 Blazer, Malibu, Monte Carlo, S10, S10 Blazer, SSR, Tahoe

Chrysler (2001-2013)

300, PT Cruiser

Dodge (1966-2014)

Challenger, Charger, Coronet, D100, D150, D200, D250, D300, D350, Dakota, Dart, Magnum, W100, W150, W200, W250, W300, W350

Ford (1966-2014)

Bronco, Expedition, Explorer, F-150, F-150 Heritage, F-250, F-250 Super Duty, F-350 Super Duty, Fairlane, Fusion, Gran Torino, Mustang, Taurus, Torino

GMC (1983-1999)

C1500, C2500, Jimmy, K1500, K2500, S15 Jimmy, Yukon

Jeep (1979-1998)

Cherokee, CJ5, CJ7, Grand Cherokee, Wrangler

Lincoln (1998-2002)


Mercury (1967-1974)


Mitsubishi (1990-2007)


Nissan (2004-2007)

Armada, Pathfinder Armada

Oldsmobile (1973-1988)

Cutlass, Cutlass Calais, Cutlass Cruiser, Cutlass Salon, Cutlass Supreme

Plymouth (1962-1974)

Barracuda, Belvedere, GTX, Roadrunner, Satellite

Pontiac (1967-2002)

Firebird, Grand LeMans, Grand Prix, LeMans

Subaru (2001-2007)


Toyota (2000-2006)


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