Flowmaster Mufflers Super 40

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Super 40 Muffler
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Features

  • The Flowmaster Super 40 Muffler bellows the deepest tone available for high-horsepower street cars
  • Quality Flowmaster muffler crafting uses aluminized steel for corrosion resistance and precise mig welds for maximum durability
  • The Flowmaster Super 40 Muffler keeps the tone outside with advanced Gen II Delta Flow chamber deflector technology
  • Original two-chamber design maximizes horsepower and torque
  • The Super 40 Muffler boasts the smooth look of Flowmaster's original black case
  • Casing embossed with the Flowmaster name
  • Your Flowmaster Super 40 Muffler carries a 3-year warranty

Description

When sound and power matter most for your high-horsepower ride, pick the muffler that built Flowmaster’s legendary reputation and unique tone. The Flowmaster Super 40 Muffler runs deeper and more powerful than any other street muffler out there—even Flowmaster’s famed American Thunder 40 Series.

What’s even more amazing about the Super 40 is the balance of deep Flowmaster tone and reduced interior resonance. Thanks to exclusive Gen II Delta Flow technology, the Flowmaster Super 40 Muffler employs precision deflectors in the 2-chamber design that keep powerful sound mostly outside.

Also ideal for dual exhaust cruisers, the Flowmaster Super 40 Muffler boasts the quality construction you’d expect from Flowmaster. Each Flowmaster Muffler is built with 16-gauge aluminized steel for corrosion resistance and fully mig-welded for maximum durability. Best yet, your Flowmaster Super 40 Muffler comes with their original black case and boasts a 3-year warranty.

Notes

  • Flowmaster Super 40 Mufflers come in a variety of inlet/outlet configurations and sizes, shown above. Select the inlet/outlet diameter you need from the drop down at right.

Flowmaster Mufflers Super 40 Customer Reviews

Average Customer Rating

   (68)
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Perfect 2006 Silverado 5.3 exhaust

Posted on 10/09/2009 by Michael C. - 2006 Chevy Silverado (Nicholasville,KY)

1 of 1 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"Awesome sound, excellent value"

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About Michael C.
Vehicle
2006 Chevy Silverado
I use my vehicle for
off road toy
 
sound great

Posted on 10/07/2009 by Daniel M. - 2007 Dodge Charger (Plainfield,IL)

Appearance
Ease of Installation
Price/Value
Quality

"sound great on an 07 daytona"

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About Daniel M.
Vehicle
2007 Dodge Charger
 
Flowmaster Super 40

Posted on 08/12/2009 by Levi W. (Benton,IL)

2 of 2 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"My Flowmaster was shipped to me extremely fast. I got it installed and I love it! The sound quality is amazing. I ecommend this product to everyone. Great tone, and not loud at all."

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About Levi W.
Vehicle
1990 Honda CR-X
Vehicle
2000 Chevy Blazer
Vehicle
2004 Honda S2000
I use my vehicle for
Daily Driver
 
Awesome sound!!!

Posted on 02/10/2009 by Justin F. - 2006 Pontiac GTO (Centreville,VA)

6 of 8 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"I love the sound of the Flowmaster Super 40 Series mufflers. The classic muscle car sound they provide is second-to-none."

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About Justin F.
Vehicle
2006 Pontiac GTO
I use my vehicle for
pleasure
 
Great!

Posted on 12/28/2008 by Rodney G. - 1976 Chevy Silverado (Silver City,NM)

4 of 6 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"I love these new mufflers. It makes my Chevy truck rock! The sound is incredible - I would recommend them to all you all!"

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About Rodney G.
Vehicle
1976 Chevy Silverado
I use my vehicle for
driving back and forth to work mostly, for now anyway
 
Flowmaster Super 40

Posted on 12/02/2008 by Scott P. (Cornville,AZ)

4 of 5 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"This product is worth the money and the wait. Knowing i can get great products from a reliable company makes me want to spend all my mad money. Thanks"

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About Scott P.
 
Great Flowmaster sound

Posted on 10/24/2008 by Hank B. - 2008 Dodge Ram (Aubrey,TX)

8 of 9 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"I have a 2008 Ram 1500 with the 4.7L engine. I was skeptical about putting the flowmaster on since I didn't have the hemi, but I'm glad I did. Muffler sounds great and gives me that deep throaty sound I was looking for. Will definitely buy flowmaster in the future and autoanything's service has been excellent."

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About Hank B.
Vehicle
2008 Dodge Ram
I use my vehicle for
daily driver
 
Sounds Great

Posted on 09/19/2008 by Gregory H. - 1987 Toyota Pickup (Wickenburg,AZ)

6 of 7 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"I installed this muffler on a 1987 toyota pickup w/ a 22r. it sounds amazing! doesnt sound ricey in the least. =]"

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About Gregory H.
Vehicle
1987 Toyota Pickup
I use my vehicle for
daily driver
 
It Brought my 318 to life and improved gas milage

Posted on 09/12/2008 by Jeffrey S. - 1994 Jeep Grand Cherokee (Westford,MA)

8 of 8 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"When i had the flowmaster muffler installed i noticed a huge increase in horsepower and my gas mileage went up to 17-18 around town. This muffler gives the 318 a nice throaty sound and is not loud from the inside of the truck. I would totally buy this muffler again its well worth it"

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About Jeffrey S.
Vehicle
1994 Jeep Grand Cherokee
I use my vehicle for
Commuting,Off roading, Travel
 
Super 40

Posted on 08/15/2008 by Martin G. - 2008 Dodge Dakota (La Salle,MI)

3 of 8 people found the following review helpful.

Appearance
Ease of Installation
Price/Value
Quality

"Perfect sound. Had it on for about 3 weeks and it seems like its getting louder."

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About Martin G.
Vehicle
2008 Dodge Dakota
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