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Flowmaster 8425152 Super 10 Series Chambered Muffler

4.5 4.5 out of 5 stars 435 ratings

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Purchase options and add-ons

Brand Flowmaster
Item Dimensions LxWxH 13.9 x 9.8 x 4.5 inches
Shape Oval
Material
Plastic
Item Weight
5.7 Pounds

About this item

  • Intended only for off-road or race applications
  • Delta Flow technology for maximum scavenging effect
  • 409SS stainless steel construction
  • Super 10 Sound Level
See more product details

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Flowmaster 8425152 Super 10 Series Chambered Muffler
Flowmaster 8425152 Super 10 Series Chambered Muffler
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Price-11% $99.95
List:$112.00
$145.14$109.95$99.95$153.95$124.06
Delivery
Get it as soon as Monday, Apr 1
Get it Apr 1 - 2
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Sold By
Amazon.com
DotComParts, Inc.
e autoaccessories
RD Parts
RD Parts
Amazon.com
compatible vehicles
Motorcycle
Truck, Car
Car
material
Plastic
Plastic
Alloy Steel
Stainless Steel
Stainless Steel
Plastic
weight
5.7 pounds
9.35 pounds
8.9 pounds
5.4 pounds
3.75 pounds
shape
Oval
Oval
Oval
Oval
Oval

From the manufacturer

Flowmaster 8425152 Super 10 Muffler 409S

Super 10 Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Features:

  • Intended only for off-road or race applications
  • Delta Flow technology for maximum scavenging effect
  • 409SS stainless steel construction
  • Super 10 Sound Level

Product Description

Flowmaster's Super 10 Series 409S Stainless Steel - Single Chamber mufflers are intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster's other Super Series mufflers to deliver maximum performance. Super 10 Series mufflers are constructed of 16-gauge 409S Stainless Steel and fully MIG-welded for maximum durability.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
For warranty information about this product, please Click here [PDF ]

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Flowmaster 8425152 Super 10 Series Chambered Muffler


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What's in the box

  • Flowmaster 8425152 Super 10 Muffler 409S - 2.50 Center IN / 2.25 Dual OUT - Aggressive Sound
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    435 global ratings

    Customers say

    Customers like the fit, sound quality, quality and value of the muffler. For example, they mention it sounds great, has a nice deep rumble and is worth the price.

    AI-generated from the text of customer reviews

    74 customers mention64 positive10 negative

    Customers like the sound quality of the muffler. They say it has a great sound and aggressiveness. Some say the design is loud but the materials are poor. However, most are happy with the deep rumble and say it works wonders on their vehicles.

    "...Tone is surprising, certainly loud, deeper with more of the underwater rumble than you'd think the 3.0 can put out...." Read more

    "Threw this onto an older 3.5 sxt mopar, it sounds great at idle, it almost has a choppy, cammed sound and really drowns out the "hair-dryer" sound..." Read more

    "This muffler was PERFECT and gave a nice deep growl to the exhaust.. HIGHLY RECOMMENDED!!!!!!!!!!!!" Read more

    "Sounds great with my high flow cats on a 5.4 3v" Read more

    16 customers mention16 positive0 negative

    Customers are satisfied with the quality of the muffler. For example, they mention it has good quality, it sounds awesome, and is durable. Some say that the mudfl is loud.

    "...Went with the dual side pipes with my new catback exhaust system. Looks sick! and sounds better than I imagined. Great purchase!" Read more

    "...But made it work. Muffler has good quality and awesome sound" Read more

    "Muffler quality is good, design is loud but materials are poor. Significant rust after 1 snowfall." Read more

    "Exactly as you'd think. Came packaged well and was not at all damaged. My third Flowmaster and this is the loudest!..." Read more

    6 customers mention6 positive0 negative

    Customers appreciate the value of the muffler. They say it's worth the price, a great purchase, and impressed.

    "...Looks sick! and sounds better than I imagined. Great purchase!" Read more

    "Helped airflow, sounds mean as h#@&, and is worth the price. I will buy another one if n when the day comes to make my Dodge true duels" Read more

    "...Very impressed and very worth it!" Read more

    "Sounds great on my 2007 Charger decently priced and ship pretty fast I am very pleased." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the fit of the muffler. They mention that it fits great and sounds great. Some say that the mudflaps arrived on time and were the perfect size.

    "...] I absolutely love the sound it’s given my Silverado and it fits great and sounds great...." Read more

    "Fits great. Sounds good" Read more

    "...my Lexus RCF, i was excited but then I got them installed and fit sounded great. Couple of days later the welding on the muffler fell apart...." Read more

    "Arrived on time and was perfect size." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the intensity of the muffler. They mention that it's super loud and aggressive.

    "...Great sound and aggressiveness" Read more

    "Quite Aggressive. Highly recommend." Read more

    "...exists it really proves it was once a v8 it' super loud and aggressive" Read more

    I recieved the wrong one.
    4 Stars
    I recieved the wrong one.
    The listing says this is the "2.50 Center IN / 2.25 Dual OUT" but I received the 2.50 Center IN / 2.50 Dual OUT" hopefully the people at the muffler shop can tailor the tube to fit this and then turn it into what I need (probably more money out of my pocket thanks to this mishap). BTW this is the second time I order something from Flowmaster/Holley and they always seem to miss somehow. Also all the mufflers I've received are MADE IN CHINA. I'm not super excited about American made products but if I see "MADE IN AMERICA/USA" I expect to receive the item made in the USA, don't you agree?
    Thank you for your feedback
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    Customer image
    5.0 out of 5 stars A Must Have!
    Reviewed in the United States on September 29, 2020
    Sounds amazing on my "81 Chevy El camino 305c v8! Went with the dual side pipes with my new catback exhaust system. Looks sick! and sounds better than I imagined. Great purchase!
    Images in this review
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    Fraser
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    Reviewed in Canada on October 19, 2023
    Fit perfectly on my Chrysler 200c 3.6, sounds great with some crackles and pops. Added a LCGP 16" deep tone resonator shortly after and love it. Other modes as well which had an effect on the sound.
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    Rafael torres
    5.0 out of 5 stars Excelente
    Reviewed in Mexico on May 17, 2023
    Troy
    5.0 out of 5 stars I got the exact sound i was looking for
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    Jason
    5.0 out of 5 stars Flow master calls this their most aggressive muffler, they are correct.
    Reviewed in Canada on November 5, 2019
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    Brian M.
    5.0 out of 5 stars Very Loud
    Reviewed in Canada on April 4, 2019
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