Help

Need Help?

We've got you covered!

Flowmaster Mufflers - 50 Series Delta Flow Mufflers

Product Information
Our Price: $110.21 - $124.27
Made in the USA
Shipping:
Rating:
  4.6 (8 reviews)
Select one or more products
Aluminized Steel 17" Muffler | Center Inlet & Dual Outlet
Our Price: $110.21
Shipping:
Select Size
  • 2.5" Inlet & 2" Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 3" Inlet & 2.25" Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 3" Inlet & 2.5" Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
Aluminized Steel 17" Muffler | Center Inlet & Offset Outlet
Our Price: $110.21
Shipping:
Select Size
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 2.5" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 3" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
Aluminized Steel 17" Muffler | Center Inlet & Outlet
Our Price: $110.21
Shipping:
Select Size
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 2.5" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 3" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
Aluminized Steel 17" Muffler | Offset Inlet & Center Outlet
Our Price: $110.21
Shipping:
Select Size
  • 2" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 2.5" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 3" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
Aluminized Steel 17" Muffler | Offset Inlet & Dual Outlet
Our Price: $110.21
Shipping:
Select Size
  • 3" Inlet & 2.5" Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
Aluminized Steel 17" Muffler | Opposite Side Offset Inlet & Outlet
Our Price: $110.21
Shipping:
Select Size
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 2.5" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
  • 3" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $110.21
8430502
T409 Stainless Steel 17" Muffler | Center Inlet & Dual Outlet
Our Price: $124.27
Shipping:
Select Size
  • 3" Inlet & 2.5" Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27
T409 Stainless Steel 17" Muffler | Center Inlet & Offset Outlet
Our Price: $124.27
Shipping:
Select Size
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27
T409 Stainless Steel 17" Muffler | Offset Inlet & Center Outlet
Our Price: $124.27
Shipping:
Select Size
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27
  • 2.5" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27
  • 3" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27
T409 Stainless Steel 17" Muffler | Opposite Side Offset Inlet & Offset
Our Price: $120.66 - $124.27
Shipping:
Select Size
  • 2.5" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27
  • 3" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 4th
    $120.66
For Cars, Trucks, or SUVs
T409 Stainless Steel 17" Muffler | Opposite Side Offset Inlet & Outlet
Our Price: $124.27
Shipping:
Select Size
  • 2.25" Inlet & Outlet | 4" x 9.75" Body
    Ships Sep 30th - Oct 3rd
    $124.27

Features

  • Deep, Moderate Tone: The 50 Series Delta Muffler from Flowmaster offers a moderately deep tone that sounds great. It is designed for street or strip vehicles including cars, trucks, and SUVs.
  • Delta Flow Technology: Flowmaster's Delta Flow Technology ensures optimum performance without excessive resonance. The 50 Series Delta Flow muffler offers reduced interior tone levels for a comfortable ride.
  • Improved Exhaust Flow: The 50 Delta Flow muffler features a specially designed Resonance Tuning Chamber that offers improved flow of exhaust gasses through the muffler for increased performance with reduced interior resonance.
  • Stainless or Aluminized Steel: Choose from either 409 Stainless Steel or Aluminized Steel. Flowmaster 50 Delta Flow mufflers are available for 2", 2.25", 2.5", and 3" exhaust systems.
  • Made in the USA - Santa Rosa, CA

Description

The Flowmaster 50 Series Delta Flow mufflers are intended to be used on most cars, trucks, and SUVs. They are designed for greatly reduced interior resonance with a moderate exterior tone with a great sound. The 50 Delta Flow mufflers feature a slightly smaller case size and specially designed Resonance Tuning Chamber. This allows for the same great Flowmaster performance without the increased interior sound. 50 Delta Flow mufflers feature a case size of 17"L x 9.75"W x 4"H with an overall length of 23". They are available in aluminized or stainless steel finishes and are designed for 2"-3" exhaust systems.

View Available Part Numbers For This Product Line

Frequently Asked Questions

What is Flowmaster's warranty? All Flowmaster products built of aluminized steel have a 10 year limited warranty against defective materials and workmanship. All stainless steel mufflers have a 10 year limited warranty against defective materials and workmanship.

What is "Delta Flow" technology?
Flowmaster's "Delta Flow" technology has evolved from extensive Research & Development at race-tracks around the country. This new technology provides superior scavenging while reducing resonance inside the vehicle. What you can expect is improved performance while maintaining a pleasant tone, both inside and outside the vehicle.

What materials are used to build Flowmaster mufflers?
All Flowmaster products are fully mig welded and built from 16 gauge aluminized steel for durability and value. Specific part numbers of the 40 and 50 series are also offered in 409 stainless steel, while the Hushpower II mufflers are offered in either 409 stainless steel, or 304 stainless steel.

What pipe size should I use for a street application?
In general, the following guidelines should be applied for street applications.

2" tubing up to 100 HP per pipe
 
2.25" tubing up to 160 HP per pipe
 
2.5" tubing up to 200 HP per pipe
 
3" tubing up to 300 HP per pipe 
 
What is the difference between a 40 series and a 50 series muffler?
Both mufflers have the same sound outside the vehicle, but each has varying sound levels generated inside the vehicle. The 40 series (two chamber) will resonate inside the vehicle, generally around 1800-2000 rpms and also again around 2400-2600 rpms. The 50 series (three chamber) incorporates an H-chamber that helps eliminate this interior resonance in the cab area of your vehicle.

Will I lose power going from a 40 series to a 50 series, or to a 70 series?
No. Flowmaster engineers each series of mufflers for very low restriction with the main differences being varying sound levels both inside, and outside your vehicle. This way you can customize your vehicles sound levels to your vehicles needs and sound preference.


Do I need to install an "H" pipe to my dual exhaust?
Flowmaster strongly recommends using an "H" pipe, commonly known as a "balance tube" on all "true dual" exhaust systems. An "H" pipe equalizes the pressures between both banks of the engine giving a broader and flatter torque curve throughout the rpm range. It also eliminates "back-rap" common on deceleration, and creates a deeper mellower tone both inside and outside of the vehicle.

Is an "X" pipe better than and "H" pipe?
Over the years, Flowmaster's testing of all types of crossovers, including "X pipes", has revealed no substantial benefits over a properly installed "H" pipe on street driven applications. However, in race applications with small cubic inch engines and /or restricted (small bore) carburetors, will respond well to the addition of X pipes, tri-y styled collectors and/or properly designed single exhaust systems.

Will my late model vehicle run better if I replace the single inlet muffler with a true dual exhaust system?
Flowmaster does not recommend replacing factory single inlet exhaust systems with a "true dual" system on computer controlled vehicles. The computers in most late model vehicles will not be able to compensate with the fuel needed with an almost doubling of the exhaust flow. Flowmaster’s dual outlet kits will give you the look of a "true dual" system, while optimizing the vehicles performance.

Do I need to run tailpipes after the mufflers?
Yes, Flowmaster highly recommends running tailpipes out from under the vehicle. This directs the exhaust fumes away from the vehicle, while minimizing the sound transmitted into the cab area of the vehicle.

What kind of performance gains can I expect when installing Flowmasters on my vehicle?
Performance gains will vary dependent upon your application. The more power the vehicle makes, the bigger the gains will be. Generally, a 5-7% gain of power is fairly typical, while 1-2 mpg can be achieved. That is if you can keep your foot out of the gas to hear that Flowmaster sound.

How can I be sure that I'm buying a Flowmaster muffler?
The Flowmaster name is embossed in every muffler case that Flowmaster builds. If it doesn't say Flowmaster on the case, it's not a real Flowmaster muffler.

Additional Features

Flowmaster Mufflers - 50 Series Delta Flow Mufflers Flowmaster 50 Series Delta Flow Muffler : The Flowmaster 50 Series Delta Flow Mufflers are designed to offer maximum flow while maintaining acceptable sound dampening capabilities. It features a specially designed resonance tuning chamber that allows a moderate exterior tone with a mild interior tone.
Flowmaster Mufflers - 50 Series Delta Flow Mufflers For Cars, Trucks, or SUVs : Flowmaster's 50 Delta Flow Series of mufflers are recommended for stock or modified cars, trucks, and suvs. Mufflers are available for 2"-3" systems with inlet/options to fit any application.
Flowmaster Mufflers - 50 Series Delta Flow Mufflers Stainless Steel or Aluminized Finishes : The 50 Delta Flow mufflers are available in Flowmaster's industry leading Aluminized finish as well as 409 Stainless Steel for unmatched corrosion resistance.
Flowmaster Mufflers - 50 Series Delta Flow Mufflers Flowmaster Family of Mufflers : Flowmaster offers several "series" of mufflers. Each style is specifically designed for certain applications and to achieve a desired tone level. Whether you are looking for something mellow with a nice rumble, or something with a lot of bark, Flowmaster has a muffler designed to fit your needs.

Installation

Flowmaster mufflers are designed to work with new or existing exhaust systems.  They offer slip on installation and can be welded or clamped into place.  Due to the use of heavier materials, Flowmaster recommends spot welding the joints when using clamps.  On some applications it will be necessary to cut or splice when adding Flowmaster mufflers to an existing exhaust system.

Lifetime Warranty SS / 3 Year Warranty Aluminum

Flowmaster is offering a lifetime limited warranty on their stainless steel 50 Series Delta Flow Mufflers and a 3 year limited warranty on the aluminum 50 Series Delta Flow Mufflers.

Product Reviews Summary

Overall
4.6 
Appearance
3.9
Price / Value
3.8
Ease of Installation
4.0
Quality
4.0
8  Customer Reviews
5 Star
7   
4 Star
0   
3 Star
0   
2 Star
1   
1 Star
0   
Order by

Flowmaster muffler
Part #: FLM-9430502 Posted on
Was this review helpful?
5.0
(Lebanon, PA)
Appearance
Price / Value
Ease of Installation
Quality
I had a local muffler shop install it for me because they had done work for me in the past and did great work. It sounds great. Mellow sound. Better performance.
Part #: FLM-942552 Posted on
Was this review helpful?
5.0
(Medford, MA)
Awsome sound
Part #: FLM-942552 Posted on
Was this review helpful?
5.0
(Globe, AZ)
Appearance
Price / Value
Ease of Installation
Quality
Sounds great without that annoying drone sound,can still hear my crappie stereo ߘ
Great sound!
Part #: FLM-843053 Posted on
Was this review helpful?
4.8
(Leominster, MA)
Appearance
Price / Value
Ease of Installation
Quality
easy delivery tracking.
Part #: FLM-942552 Posted on
Was this review helpful?
2.0
(Milford, CT)
Appearance
Price / Value
Ease of Installation
Quality
One star for very competitive pricing. one star for their customer service trying to smooth things over by agreeing with everything I suggested to better their service. Long story short, ordered a part...part was on back order, never received an order confirmation, had to pursue them myself to get answers, took over two weeks for my part to arrive. After discussing via e-mail with customer service, and suggesting that they should have contacted me first, they agreed with my dispute, so hopefully it wont happen to anyone else. Otherwise, this was the only purchase I made so please take this review lightly.
Part #: FLM-842453 Posted on
Was this review helpful?
5.0
(Flossmoor, IL)
Appearance
Price / Value
Ease of Installation
Quality
I am extremely happy with the product I purchased from Real Truck. The young lady in sales that assisted me with my purchase was outstanding and went above and beyond the normal level of customer service offered by other companies. She was very helpful and I really appreciate that. My 5.0 STANG is now growling and prowling the streets of Chicago.

Thanks,
Frederick White
Part #: FLM-842452 Posted on
Was this review helpful?
5.0
(Gold Canyon, AZ)
Appearance
Price / Value
Ease of Installation
Quality
Great price and shipped on time.
Part #: FLM-942551 Posted on
Was this review helpful?
5.0
(Sioux City, IA)
Appearance
Price / Value
Ease of Installation
Quality
awesome price & qualty
Page
 Top