2018 GMC Sierra 1500 Exhaust Muffler 8 Cyl 5.3L Magnaflow


Additional Fitment Information:
Vehicle Block CC Engine CID
2018 GMC Sierra 1500 V 5328 8 Cyl 5.3L 325
55 In Stock
Best Price:

$202.42 USD
$242.90 USD
Brand Magnaflow
Part # M6612198
Condition New
Warehouse B

Magnaflow

  • Universal Performance Muffler - 3/2.5
  • Universal Performance Muffler - 3/2.5
  • Satin Finish Oval Exhaust Muffler
  • Sound MagnaFlow wants you to have the best sound possible. With this in mind, they designed mufflers to have a free flowing, straight through design with a perforated stainless steel core, mesh wrap and acoustical fiber fill to deliver that smooth, deep tone. Their mufflers are packed tight with the acoustic material to ensure long life and no sound degradation.

    MagnaFlow got its start as a natural extension of Car Sound Exhaust systems. Their parent company specializes in superior catalytic converter technology and has spent the last 30 years earning its reputation as a market leader around the world. MagnaFlow is proud to continue this tradition through producing the best sounding, best performing and most durable exhaust components in the world. If you're looking for quality, power and sound, then you're looking for MagnaFlow.

    General

    Muffler Type
    Straight-through
    Exhaust Tip Quantity
    0
    Inlet Diameter
    3
    Body Finish
    Satin
    Inlet Inside Diameter
    3
    Hanger Included
    No
    Body Height
    5
    Subtitle
    Single/dual
    Core Size
    3
    Outlet Quantity
    2
    Shape
    Oval
    Outlet Inside Diameter
    2.5
    Reversible
    Yes
    Body Length
    14
    Outlet Diameter
    2.5

    Packaging

    bar code
    00841380000750
    package quantity
    1
    length
    21.25 in
    width
    8.75 in
    height
    5.63 in
    weight
    13.00 lb
    Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.
    1. C. Bower "Music Nut"
      18 Apr, 2015
      Replacing the muffler on a 1963 Rambler and it was tough to find a muffler that was small enough to fit the available space. A universal muffler had been previously installed and was interfering with the parking brake cables. This solved the problem.
    2. JCoats
      02 Apr, 2015
      works as advertised but i probably should have gone a maller size, i scrape on tracks now.
    3. scott Shimabukuro
      07 Mar, 2015
      Very reasonable price and excellent quality.
    4. Nicolas Chinchurreta
      23 Jan, 2015
      Excellent muffler
    5. ricardo james
      15 Jan, 2015
      Good product fast shipping !!
    6. Coastie
      17 Dec, 2014
      Had a local muffler shop weld this on to replace an old Flowmaster that gave up the ghost. This muffler fit great and is quiet on my 2001 F250 2-valve V10. I'd recommend it if your looking for a good sounding muffler on the quiet side with no drone.
    7. Jesper
      11 Dec, 2014
      Light, great sound and good quality that seems durable.
    8. SilverRSMFJ
      04 Dec, 2014
      Perfect fit for my 2010 Silverado 1500 , this muffler replaced the factory one. I wanted to hear the V8 in my truck, and I didn't want to go with a chambered muffler that would be loud at all times, WOT or not, inside/outside the cabin, at idle, on startups, etc, etc.I wanted something that will sound aggressive, but be civilized enough when you're just cruising down the street/highway etc. This is a bullet type muffler that will deliver the experience I wanted. This Magnaflow muffler not only uncovered the V8 tone I wanted, it's civilized enough to drive the truck around without being obnoxious with normal throttle input, and loud/aggressive enough when needed. I didn't remove the factory resonator, just the factory muffler, then replace with the 14619, no drone that I can hear, and I can keep a conversation with passengers inside without having to raise my voice over the exhaust noise inside the cabin.
    9. thomas spinks
      29 Nov, 2014
      Great muffler for my v8 wk jeep ,sounds good.stock exhaust is abt 2.75" you just need 2 reducers to weld on to fit but it is a universal muffler
    10. Toney Cinnamon
      16 Oct, 2014
      Noticeable performance increase, great sounding, but not obnoxious. Very well built.
    11. Enroy
      24 Sep, 2014
      Sounds so much better with this on now
    12. nwow2866
      19 Sep, 2014
      I installed this on a 2001 f-150 5.4L and love the tone! Deep and low while cruising, but loud while wide open. Made very well too, with flawless welds and quality materials.
    13. Verma Jaeger
      08 Sep, 2014
      The item was supposed to be polished - it was BEFORE they welded the end caps, so I have to re=polish, but everything else was as advertised, happy with purchase.
    14. Randy
      12 Jul, 2014
      Exactly what I expected. Nice tone, but not to loud
    15. B. Muscari "BAM"
      22 Jun, 2014
      I love this muffler. Gives the car a deeper sound, but isn't extremely loud like Flowmasters. My car does have drone inside now compared to factory, but with a 4 hour road trip one way, it wasn't too bad
    16. brute448
      03 Jun, 2014
      2011 f150 super crew 145" WB. had all 3" pipe with borla 40944 and it was too loud. so i got this and added it to the system to act as resonator and now its perfect!
    17. Paul D
      17 Apr, 2014
      Can?t be more pleased. Expectations were right on, the 22" magnaflow performs well and the sound is just right. Nothing raspy and pocket rice rocket sounding. Low growl and nice flow. In cabin drone is next to nothing at higher rpm speeds. Great quality, very satisfied
    18. KD
      30 Jan, 2014
      I bought this to do a custom quad tip exhaust system, extremely pleased with my purchase would definitely buy another magnaflow
    19. Shane R. Smith
      24 Dec, 2013
      I installed this on a Pontiac Fiero with a 3800 SC engine. There's not a lot of room for a lengthy exhaust in this car, it's probably four feet from manifold to the tip but it still sounds great. To be fair it is loud around 2200 rpm, but that's the price you pay for power.
    20. The Goat
      12 Dec, 2013
      A little unconventional, but we have an older Mack box truck at work and the muffler came apart... being an 80's vintage, parts are becoming more scarce, except the stock muffler since they want almost $1000 for it. This with a couple of stainless steel bends did the trick for under a couple of hundred dollars. In this case, the sound level was the same as their suitcase size stock muffler.
    21. Grant Nelson
      08 Dec, 2013
      I put this muffler on my '86 Porsche 944 Turbo 4cyl to replace the stock muffler. I like the sound and the looks are a definite plus!Seems very well made with good thick metal that was easy to weld on and didn't have to worry about burning through.I like the aggressive sound but it doesn't cause the car to get too raspy which is nice.I am in the process now of changing over to a high flow cat so I should get a decent power gain between the combo of this muffler and the new cat.Thank you for the quality product!
    22. mytwosonsdad "mytwosonsdad"
      14 Nov, 2013
      terrific sound, enjoy the nice rumble without sounding racy. enjoy the easy installation and lightning fast shipping. the one click shopping made it extremely simple and uncomplicated. overall, five stars as I can't find any fault or problems with the product or the purchase experience. save your money from the borla or flowmaster and get this inexpensive nice sounding exhaust. FYI,, I installed it on a BMW 540i with the V8 manual 4.4L
    23. freedeep
      05 Nov, 2013
      For as small as this muffler is, it really quieted down my Nissan Sentra with 1.6 liter engine. Had been running no muffler at all, of course the droning and louder noise finally got to me. Exhaust noise now is similar to factory muffler, yet the magnaflow is a straight thru design...look in at one end and see out the other. Fuel economy should be better now with less exhaust restriction than factory muffler.This magnaflow muffler has a case length of 14 inches, and 20 inch overall. Case width is 3.5 inch by 7 inch.Cherry bomb muffler is cheaper, but they never muffler for very long..might as well run a straight pipe and not bother with C.Bomb.I have a pair of the larger version of the magnaflow on my dodge challenger..have been working very well also.
    24. jared
      14 Oct, 2013
      if your looking for a fair priced replacement muffler for Chevy 6.0l that isn't gonna cost 500 dollars then this is it. some moron had hacked y stock stock muffler and tried to get glass packs to work it sounded like crap. the truck was in good shape and I bought it, long story short the stock muffler was tossed and this is what i bought as a solution and its workin really good and it does have this nice low rumble that makes it sound just a tad bit perkier than the other 6.0's in my area.
    25. Michael "Meshl57492"
      14 Sep, 2013
      My car was making a ton of rattling noise when I would press on the gas I looked under the car and saw rust holes were started in the muffler. I ordered this muffler because I have seen YouTube videos of other Subaru owners using magnaflow mufflers and they ended up with a nice deep Subaru boxer rumble. This muffler is also made from stainless steel I live in the northeast where PENNDOT loves using the salt. Only downer is I need to buy a new exhaust tip old muffler was 2in I choose to go with 2.25in to keep exhaust pipe the same size during the whole run. Now my forester has the boxer rumble too.
    26. Kris M
      01 Sep, 2013
      I purchased this item for my 2002 Chevrolet Suburban 5.3L and it goes perfect! Loud rumble, deep rumble. Not noisy loud. When easy on the pedal it sounds nice smooth and mellow. When WOT it just turns into a beast like a lion roar. Then again, I have a CAI installed as well as a chip. Either way, you cannot go wrong. It was a big risk for me going from the 28" Magnaflow muffler to a 6" but it was a risk well paid off.
    27. pdiddy
      28 Jul, 2013
      Awesome muffler very good quality and very durable made, got it on my 89 Dodge Dakota truck V6 3.9L engine, Took it to work two days later after I put it on and all my co-workers was amazed by the sounds. it's not too loud and it's not too quite just right, just the way I wanted it. When I REV the engine and listen from the back tip it sounds like a V8 truck. awesome so satisfied, plus for the price you can not go wrong, I bought this used from AutoPartsWAY warehouse and it only cost me under $30 dollars with free shipping what more can you ask for. Highly recommend it, if you just looking for a nice mellow sound and not too loud this is it.
    28. Speed Freak
      01 Jun, 2013
      I just returned from my custom shop and used to replace the stock muff (deleted the stock reso's too). She sounds AMAZING! An excellent low end rumble with great output and no interior noise (resonance). This is an excellent mixture of magnaflow quality and the deep rumble of a chambered muffler (flowmaster). Awesome work Magnaflow!
    29. juan ogando
      19 May, 2013
      i was looking for a muffler that sound good but not to loud and magnaflow was my perfect mach.very nice looking muffler.
    30. Robert Ramirez
      17 Feb, 2013
      I got these for my lexus gs 430 v8, they didnt look like they would fit at first but once you take your factory muffler off you will see theres plenty off room. They shop made a couple of custom ajustments but other than that they worked very well. These 14829's sound really good with a V8, not very loud but gives your car the respect. :).
    31. Natedawg
      14 Jan, 2013
      Fits well on my Cobalt ss and sounds amazing!!! Well structured, packaging was great. Keep in mind though it is a racing muffler and is straight through design so it will be loud. If your wanting a toned muffler this is not the one you want!
    32. BarryB
      28 Dec, 2012
      Excellent finish will great welds. Installed a pair of these on my Honda Accord Euro R to help ease some of the noise I had with my initial single exit exhaust setup. No real noticeable loss in power but the car's definitely quieter, especially on those long commutes and of course they can still bring the noise when I step on the gas but it's a nice deep tone. Would recommend them to anyone. If you're looking for free flow get the race series but note they'll be a bit louder...
    33. Carlos A Fraijo
      16 Nov, 2012
      Received the muffler within a good amount of time. The muffler installed very easily and it sounds strong but suddle. Just what I expected.
    34. Nate
      03 Nov, 2012
      2012 ram 2500. Didn't want to spend allot of money but wanted sound and this was perfect. This was too loud at first without resonator, took it to local shop and for 150 they welded it all back up properly with resonator and it sounds great, nice deep tone and no easy too loud.
    35. Phil
      19 Oct, 2012
      This product arrived in short time and was packaged well. The finish on the tips is a beautiful stainless steel shine. The muffler has a surprisingly fine finish as well. I used this for a custom application on a Jeep Patriot. It worked out to be perfect. looks and sounds great!!! The muffler is quiet at idle, a deep throaty sound that is not typical to a four cylinder resounds as the engine is revved. I am happy with this product and would recommend it.
    36. Dakota
      05 Sep, 2012
      The Maqnaflow mufflers are very well constructed and solidly welded at the seams. They install easily and sound great. These area very good product and I would buy them again.
    37. Panditaaaa
      12 Aug, 2012
      Fantastic service. Shipped extremely fast. For those wondering what this sounds like, I installed it on my 1.6L Miata, It sounds like the classic tuner sound. Not super annoying like those civics you hear all the time. Sounds good. Sort of like a 4AG AE86, if you happen to know what that sounds like. If you cruise like a normal person shifting at 2-3k you can't even notice you have it. But as soon as you mash the pedal at 4k you unleash the true power of this thing
    38. Mary
      02 Aug, 2012
      My husband wanted this so i got it for him and he loved it.He installed it right away. Now his muffler sounds a little loud & he likes that.I i got a reward for that. ha ha.
    39. John Hur
      28 Jun, 2012
      this is straight through, non baffled muffler. stainless steel is magnetic for some reason, but it welded well to my straight SS pipe. If one is too loud, you can weld two of these in serial to muffle the noise. baffled mufflers take lot of great engine noise out; these don't. If you have room to use 2 in serial, you'll get the quietness you want and the most awesome engine noise you're after. needless to say, these sound very nice. I have 2 of these in serial in my LS6 and my rotary. They always turn heads without the harley loudness or the ricey tone.
    40. Jeremey
      18 Jun, 2012
      Product was exactly as described and exactly what I ordered. Really fast shipping as well. I would recommend this to anyone who is wanting a magnaflow muffler.
    41. N. F. B.
      21 Feb, 2012
      The AutoPartsWAY product information is a little bit lacking. This is what would commonly be referred to as an 18" muffler as it has an 18" long case. The case is an 18x5x8 oval.I had this muffler installed in place of stock on my GMC Yukon with 5.3L V8. I wanted something that would provide a nice, deep, healthy exhaust note that actually let me know there was a V8 lurking. However, I did not really want it to be loud as this is to be a family vehicle and we drive nearly 1,000 miles, each way, 2-3 times a year.I am happy to report that there is no mistaking the presence of a V8 but there is absolutely no drone whatsoever, the neighbors will never be bothered by it early in the morning or late at night, and even my wife didn't have anything against it after I had it installed before she even knew I had it.I might even consider recommending a 14" version if you don't mind a little more noise. Most pickups I hear with a modified exhaust (which is very...
    42. S.Mace
      18 Feb, 2012
      Ok well I fitted this to a Prelude and it's probably the loudest exhaust I've had on any car, at idle it's quiet, deep sounding and rumbly (NICE!) but after that I got to turn the stereo up a bit! Maybe I'll save some gas mileage and try not to be such a heavy foot to keep the noise down. It's not a bad noise, quite the opposite in fact but driving to the local shops people are staring if I give it some, lol. At least when the V-Tec cuts in I can't hear the exhaust any more, HAHA!
    43. Bloose
      09 Jan, 2012
      For the price this muffler is pretty hard to beat. Being stainless it should outlast the Jeep I put it on. Though an oval case this mufflers internals consist of a straight trough perforated tube. No baffles of any sort. This arraignment makes for a very good flowing muffler but one would think it would be very loud. It turned out this is not the case. This muffler offers a very nice low tone that is somewhat louder than stock without being obnoxious. While driving you cannot hear it much if at all and under acceleration you only hear a nice muted low tone.
    44. Adam
      29 Nov, 2011
      I put this on my truck with 500 miles on it. I was a little reluctant about removing the factory muffler with it being brand new. Well, not anymore. This thing sounds great. I was torn between a 18 and 14 inch model. I'm very glad I didn't go with the 18. This is not to loud and has a nice low growl, with very little highways drone. I have 5000 miles now and it still sounds great. Get one.
    45. Matthew
      14 Sep, 2011
      Pros: Great sound, not ricey and not overly loud but still aggressive. Good torque gains as it lets the exhaust system keep a decent amount of back pressure in the pipe. Racing with this muffler at autoX, so far I can't complain. Performs well in both daily driver and race environments.Cons: Isn't free.
    46. Marco A. Cabrera
      21 Jun, 2011
      I was hesitant to buy mufflers for my car because its' hard to find ones that aren't too expensive and tuned for it. These magnaflows worked out really well. They have a low rumble at around 2-3k rpm. The noise dies down almost completely after the 3k mark. As they have broken in they have become louder which is true of most mufflers. It sounds almost a little too loud for my taste at some times, but if you are getting them for sound then you're making a good choice. I really wanted them for the look more than the sound because the stock exhaust looks so wimpy and these don't add any performance benefit. For the price you can't go wrong with these cans. I'd buy them again and they fit perfect on the Altima. The cutout for the pipe is almost a perfect match for these.
    47. bigseth
      19 May, 2011
      $45 for a stainless magnaflow is a steal. They sound great, not to raspy, and were half the price of O'reillys.
    48. 1964nova
      27 Mar, 2011
      as advertised the performance and cfm rating (533) is very good, however it sounds like a typical glasspack and was hopeing for a more mellow, throaty sound as in a street muscle car sound.
    49. 05pwptsx
      09 Mar, 2011
      These mufflers sound mean and look even meaner on my dual exhaust setup on my tsx. Not obnoxiousely loud either.
    50. Shawn Long
      28 Nov, 2010
      Now you can actually hear the supercharger in my 2000 Mercedes C230K. Excellent construction, look, and quality. Highly recommended.
    51. Rene Roberts
      02 Nov, 2010
      I installed this muffler on my 2.0L inline 4 Suzuki Grand Vitara and it sounds great! It really cuts out the high pitched frequencies and lets out a nice low tone. I would recommend this to anyone looking to upgrade their exhaust system.Everyone who have heard it comments on the sound. No ricer fart cannon hear..
    52. housemusica
      14 Oct, 2010
      This is a great sounding muffler. It is exactly what i was looking for not loud and raspy like others i've heard, it is light in weight and a straight through flow.
    53. W. Willey
      18 Sep, 2010
      I bought this muffler to replace an older magnaflow that had been damaged due to some tree branches. This muffler fit the bill perfectly, it still has the same growl my old magnaflow did and I'm very happy with it.
    54. Peter J. Mooney
      02 Jun, 2010
      Replaced a thrust turbo muffler on my Jeep Cherokee 4.0L. Car idles better, more responsive and gets better milage. Great deal for the $$. One defect. One of the welds burned through the case.I just welded it back up.
    55. Scott Hamada
      22 Apr, 2010
      I installed this muffler in my 2008 Honda Accord and it sounded great! Made it a little deeper and louder without being too loud.
    56. Jennifer Elmer
      15 Apr, 2010
      it is a nice muffler but it is not the same as the picture it is not polished or stamped and the inlet and out let are both offset not just one but over all it is a nice solid reliable muffler sounds goood
    57. Thomas Kehl "Dave Ramsey fan"
      20 Mar, 2010
      Like many looking to upgrade their cars exhuast, it was a long decision making process. What kind of sound did I want, would it fit, how was it built,would it get the droning sound on the highway ( which I hate ),etc.I decided on these after hearing them on youtube. They have a very quiet rumble below 3K rpm...so not annoying in city traffic or on the highway. But let the rpm's climb over 3-4K rpm and it sounds like a nascar, very loud. So best of both worlds for me.
    58. Pennpal62
      13 Feb, 2008
      I purchased these MagnaFlow's a few months ago. I am surprised at the power gain. These went on a 06 BMW M5 with a custom X-pipe. If you're looking to get a little more sound out of your ride, but don't want to shell out $2k for a cat-back system. I recommend having your favorite muffler shop install these bad boys. This is an answer to BMW's whisper exhaust systems.

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