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MagnaFlow Performance Exhaust Muffler 12288: 3"/2.5" Inlet/Outlet, 5x8x18" Oval, Stainless Steel, Satin Finish

4.6 4.6 out of 5 stars 251 ratings

To see product details, add this item to your cart. You can always remove it later.
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3 in./2.5 in. Dual Inlet/Outlet

Purchase options and add-ons

Brand MagnaFlow Exhaust Products
Item Dimensions LxWxH 25 x 9.88 x 5.5 inches
Vehicle Service Type Car, Truck
Configuration Center/Dual
Shape Oval
Material
Stainless Steel
Item Weight
5 Pounds

About this item

  • SIGNATURE MAGNAFLOW SOUND - The 5" x 8" Oval body of muffler 12288 is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for.
  • DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 5" x 8" Oval muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.
  • OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA.
  • UNIVERSAL FITMENT - 12288’s universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended.
  • LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty.
See more product details

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$155.00
Get it as soon as Wednesday, Mar 20
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$17.19 ($8.60/Count)
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Sold by EVIL ENERGY and ships from Amazon Fulfillment.
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$17.99 ($9.00/Count)
Get it as soon as Wednesday, Mar 20
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Sold by EVIL ENERGY and ships from Amazon Fulfillment.
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MagnaFlow Performance Exhaust Muffler 12288: 3"/2.5" Inlet/Outlet, 5x8x18" Oval, Stainless Steel, Satin Finish
MagnaFlow Performance Exhaust Muffler 12288: 3"/2.5" Inlet/Outlet, 5x8x18" Oval, Stainless Steel, Satin Finish
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MagnaFlow Performance Exhaust Muffler 13288: 3"/2.5" Inlet/Outlet, 4x9x14" Oval, Stainless Steel, Satin Finish
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Price$155.00$200.00$191.00$103.36$109.95$145.00
Delivery
Get it as soon as Wednesday, Mar 20
Get it Mar 20 - 25
Get it Mar 20 - 25
Get it as soon as Wednesday, Mar 20
Get it Mar 21 - 22
Customer Ratings
Mileage
4.3
4.5
4.6
Sold By
Amazon.com
Assiduus Global Inc
HGA Performance
Assiduus Global Inc
RD Parts
DotComParts, Inc.
compatible vehicles
Car, Truck
Van, Car, Truck
Van, Car, Truck
Truck, Car
Motorcycle
Van, Car, Truck
inlet size
3
3
3.5
3
3
outlet size
2.5
2.5
2.5
2.5
configuration
Center/Dual
Dual/Dual
Center/Dual
Center/Dual
material
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Alloy Steel
Stainless Steel
weight
5 pounds
4 pounds
5 pounds
0.1 kilograms
8.9 pounds
10.65 pounds
shape
Oval
Oval
Oval
Oval
Oval
Oval

Important information

Legal Disclaimer

CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

To report an issue with this product or seller, click here.


Product Description

performance exhaust system cold air intake catalytic converter tip pipe muffler magnaflow cutout

exhaust system magnaflow muffler product cat back kit street automotive performance toyota axle

premium construction stainless steel durability powder coating system heat shield anti theft

dependable performance hassle free limited lifetime promise exhaust tip system stainless steel

silverado headers y pipe dodge ram exhaust system 350 engine outlet converter 5.3 chevy shield

Optimized Performance

Optimized weight and dyno-proven performance

Premium Construction

Stainless Steel construction for maximum durability and finish

Dependable Performance

Backed by MagnaFlow's dedication in manufacturing products that are free of any defect

Universal Fit

Cutting and welding required for installation

magnaflow straight through muffler flowmaster exhaust system kit high flow catalytic converter

5" X 8" Oval Center/Dual Straight Through Performance Muffler

Fully reversible and featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhaust project.

MagnaFlow's dedication to engineering and manufacturing the finest exhaust systems makes for a superior sound and driving experience. Constructed of premium materials and carefully designed for the best fitment and performance, you can have confidence in making the right choice for your vehicle.

Professional installation is highly recommended. May require custom fabrication, cutting and/or welding along with specific automotive knowledge.

Specifications | MagnaFlow Part # 12288

Body Finish Satin
Body Height 5"
Body Length 18"
Body Material Stainless Steel
Exhaust Tip Quantity 0
Inlet/Outlet Diameter 3"
Inlet Quantity 1
Inlet Type Center
Muffler Type Straight-Through
Outlet Diameter 2.5"
Outlet Quantity 2
Outlet Type Dual
Overall Length 24"
Shape Oval

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.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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MagnaFlow Performance Exhaust Muffler 12288: 3"/2.5" Inlet/Outlet, 5x8x18" Oval, Stainless Steel, Satin Finish


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What's in the box

  • MagnaFlow Performance Exhaust Muffler 12288
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    251 global ratings

    Customers say

    Customers like the sound, quality, value, fit and delivery of the muffler. They mention that it has a nice growl in the lower RPMs, it's quiet at idle and has the perfect tone at highway speed. They also appreciate the power, and size.

    AI-generated from the text of customer reviews

    55 customers mention52 positive3 negative

    Customers are satisfied with the sound of the muffler. They mention that it is not noticeable while driving at road speed, has a nice growl in the lower RPMs, and is quiet at idle. Some customers also say that it works great on their old truck and has nifty low rumble. Overall, customers are happy with the sonic quality of the product.

    "...stepping on it combined with the Specter Cold Air intake makes the truck sound come alive. I also seeing a +1mpg currently which is interesting...." Read more

    "...The sound is perfect, not too loud but not too quiet either but it hasn’t fully broken in yet so it will get a little louder than it is right now..." Read more

    "...It is not too loud, but just a bit deeper and has a nice growl in the lower RPMs. Definitely pleased with the purchased!" Read more

    "...Very happy with sound, but If you don’t have a welder it WILL NOT just bolt up where the stock muffler was." Read more

    19 customers mention19 positive0 negative

    Customers are satisfied with the quality of the muffler. They mention that it is well-built, sounds great, and is made out of really nice stainless steel. Some say that it saves fuel.

    "...It really is. Put on a nice looking tip and called it a day. Aftermarket sound and look for $290 with install and the tip." Read more

    "...This is a great muffler that is made out of really nice stainless steel and will last a really long time...." Read more

    "...on how it sounds/performs then...but for the product itself...very well made...." Read more

    "Very happy with the sound, nice and deep when you start it but quiets our after RPM’s go down...." Read more

    8 customers mention8 positive0 negative

    Customers appreciate the value of the muffler. They say it is a good product for the money, and the sale was great. Some customers also mention that the ram 1500 required modifications.

    "...A great sounding muffler made with quality materials for a very good price!" Read more

    "Cant Go wrong ! All of the sale was great and Ive got alot of parts from Amazon. 2016 Ram Hemi" Read more

    "Good product for the money. And fast delivery." Read more

    "...Doesn't sound exactly like I hoped, but not bad. Worth the money" Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the delivery of the muffler. They mention that it is fast and easy.

    "Good product for the money. And fast delivery." Read more

    "Freakishly fast shipping . Sounds absolultely outstanding on my HEMI RT SWB. Just the right sound and no drone. Would buy again !" Read more

    "It was fast and easy" Read more

    "Excellent product!! Super fast shipping!!" Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the fit of the muffler. They mention that it fits well, makes a good sound, and is absolutely perfect.

    "...] I installed this muffler on my 1996 Chevy Silverado and it fit well (with some slight modification)...." Read more

    "...Very happy how it fits and knowing I'm not going to need to worry about my exhaust system every again." Read more

    "Fit amazing on my 2012 Dodge ram 1500 with the Hemi...." Read more

    "Just had it installed on my 2013 RAM 5.7L and it's absolutely perfect... Just the right amount of rumble at normal driving speed...." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the power of the muffler. They mention that it is quiet, powerful, and comes alive under heavy throttle. The mileage has improved a little, but it really doesn't matter because the two upgrades. The acceleration is a lot better compared to the stock muffedler.

    "...I did notice better throttle response and that the Xterra pulls a little bit better in the mid-range. Of course, this will vary by application...." Read more

    "...Mileage has improved a little but it really doesn't matter because the two upgrades done together make the hemi roar when you get on it and is tame..." Read more

    "...No drone or pulse with 5.7 hemi MDS system. Comes alive under heavy throttle but mild at idle" Read more

    "Sounds great, more power." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the size of the muffler. They mention that it has a minimal drone, and the sound is just the right one. Some customers also say that the cabin drone is not an issue.

    "...Not too loud , and not too soft . Slight drone on the highway when you accelerate and it’s operating on 4 cylinders...." Read more

    "...Very little drone. Contemplated the 24" vs 18" for a couple weeks and read / listened to every review possible...." Read more

    "Love it for 14 Ram RT. Nice DEEP growl with no drone at cruising speeds." Read more

    "...Just the right sound and no drone. Would buy again !" Read more

    5 customers mention5 positive0 negative

    Customers find the installation process of the muffler to be easy. They mention that it sounds great and is easy to install.

    "...Install wasn’t bad, took about an 45 min to unbolt stock muffler and put magnaflow in. YOU DO HAVE TO CUT PIECES to fit a Ram 1500...." Read more

    "...That thing is massive ! Anyway , the magnaflow was a easy fit / weld and sounds great . Not too loud , and not too soft ...." Read more

    "It was fast and easy" Read more

    "Sounds great and easy install on a 2012 Dodge ram 1500 hemi. Nice low tone to it but not too loud." Read more

    Nearly a direct swap from factory for GMT800 suburban, tahoe, silverado, sierra, yukon
    5 Stars
    Nearly a direct swap from factory for GMT800 suburban, tahoe, silverado, sierra, yukon
    Nearly a direct swap from factory for GMT800 suburban, tahoe, silverado, sierra, yukonThis muffler has the same configuration as the factory centered single in and dual out. Had to use a short stick of 3" pipe for inlet since this muffler is a few inches shorter than the huge factory muffler. Had to use 2 reducers (if using clamps) or cut and slits in your factory tail pipe to expand it a little so it will slip over the dual 2.5 ID out of the muffler. If using this method you will need it to be welded as the gaps are to large for clamps. Factory muffler is 24" body, Magnaflow 18" body. I kept the original tailpipe that is dual in back to single exit.Factory pipe measured 2.7" OD for center inlet. 3" OD for dual tailpipe exit.Muffler is 3" ID center inlet. 2.5" ID dual exit.Muffler sounds great with nearly no drone but there is some in the cab at certain rpm around 2.8k - 3.5k. Highway rpm 2k - 2.5k nice and quiet, you can hear the exhaust more but no drone during cruise.I may add a resonator after a year if the muffler gets much louder which is supposed to happened as it breaks in after 500 - 1000 miles.
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    Top reviews from the United States

    Reviewed in the United States on January 7, 2021
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    7 people found this helpful
    Report
    Reviewed in the United States on January 29, 2018
    Size: 2.5 in./2 in. Dual Inlet/OutletVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on November 8, 2013
    Size: 2.5 in./2 in. Dual Inlet/OutletVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on May 9, 2019
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    4 people found this helpful
    Report
    Reviewed in the United States on November 11, 2021
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    Reviewed in the United States on September 28, 2018
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    9 people found this helpful
    Report
    Reviewed in the United States on January 12, 2021
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on January 1, 2019
    Size: 2.5 in./2 in. Dual Inlet/OutletVerified Purchase

    Top reviews from other countries

    Tyler S.
    5.0 out of 5 stars Not a exact fit extra modification needed
    Reviewed in Canada on July 30, 2019
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    Darren
    5.0 out of 5 stars Great quality An love the sound
    Reviewed in Canada on November 13, 2020
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    SD
    5.0 out of 5 stars Rumble Away!!!! Awesome!!!!
    Reviewed in Canada on July 16, 2018
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    Owen Leng
    4.0 out of 5 stars Good Quality
    Reviewed in Canada on December 5, 2019
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase
    Amazon Customer
    5.0 out of 5 stars sounds great
    Reviewed in Canada on October 6, 2019
    Size: 3 in./2.5 in. Dual Inlet/OutletVerified Purchase