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๐Ÿ”Š magnaflow oval center/offset performance muffler exhaust 12909 - straight-through, 3.5in inlet/outlet diameter, 28in overall length, satin finish - classic deep exhaust sound, 5in x 11in logo

๐Ÿ”Š MagnaFlow Oval Center/Offset Performance Muffler Exhaust 12909 - Straight-Through, 3.5in Inlet/Outlet Diameter, 28in Overall Length, Satin Finish - Classic Deep Exhaust Sound, 5in x 11in Review

4

ยท

Very good

Revainrating 4.5 out of 5ย ย 
Ratingย 
4.5
๐Ÿ”Š Exhaust Systems & Parts, ๐ŸŽ๏ธ Performance Car Parts & Accessories

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Details

BrandMagnaFlow Exhaust Products
MaterialStainless
Item Dimensions LxWxH29.25 x 13.63 x 6.13 inches
Item Weight20 Pounds
ShapeOval

Description of ๐Ÿ”Š MagnaFlow Oval Center/Offset Performance Muffler Exhaust 12909 - Straight-Through, 3.5in Inlet/Outlet Diameter, 28in Overall Length, Satin Finish - Classic Deep Exhaust Sound, 5in x 11in

BRUSHED SATIN FINISH - The brushed satin finish of this universal performance muffler will upgrade the appearance of your vehicle's exhaust system thanks to its premium aesthetic. DEEP SIGNATURE MAGNAFLOW SOUND - This universal muffler is engineered to produce the deep resonant exhaust tone that MagnaFlow is famous for. UNIVERSAL FIT - The universal configuration of this performance muffler means that cutting, fabrication and/or welding may be required. MagnaFlow recommends professional installation. STAINLESS STEEL CONSTRUCTION - Highly corrosion resistant, stainless steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity. Built to be the exhaust that lasts the lifetime of your vehicle. LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlowโ€™s limited lifetime construction warranty.

Reviews

Global ratings 4
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Type of review

Revainrating 5 out of 5

Fits 2011 GMC Sierra 1500 with 6.2L engine

Fits 6.2L trucks with minor factory exhaust modifications. Be sure you know how to weld! You will also need about 4 feet of 3-1/2 exhaust pipe. This allows you to remove any of the creases needed for a proper fit with minimal effort. The damper is still quiet. Don't expect a very loud exhaust. Sounds great at full throttle. Still quiet at idle and when cruising. There is no drone at all. Ideal for people who don't want to make noise and annoy their neighbors.

Pros
  • Free for educational purposes
Cons
  • Clarity

Revainrating 5 out of 5

Money well spent. for muffler

I put it on my Ram 2500 6.4 petrol 2017. Sounds incredible! no drone in the cockpit, with or without a resonator. just removed it. My truck is definitely louder, it has the louder sound of a "male" truck but not too loud. FYI I have found that these cat back systems mostly get the horsepower increase at the expense of the muffler as the stock muffler is very limited. I didn't want to spend $800 so I just bought a silencer and removed the resonator. As I said. THAT SOUNDS FANTASTIC. KNN also had

Pros
  • Nice packaging
Cons
  • You could choose a newer model

Revainrating 5 out of 5

Replacement 6.2L Gm

Installed at local muffler shop on my wife's 2017 Yukon 6.2L. Easy installation with competent engineering. Only a short piece of pipe is required to connect to the standard exhaust pipe. Sounds great, raspy when starting and accelerating and still smooth when cruising. The noise from the cruise is definitely more than normal but not obnoxious at all. Don't expect a huge increase in performance as the stock muffler is also 3.5 inches, but the sound is what it needs. I have AFM disabled so Iโ€ฆ

Pros
  • Stable Test Results
Cons
  • Requires outlet

Revainrating 3 out of 5

DRONE in Cockpit 1750-2100 rpm 61-71 mph on a 2015 Chevy 2500 HD 6.0

Replace muffler on above vehicle only. Sounds great below and above the specified RPM range. In the range of 1750-2100 rpm it is too loud and sounds like a deep exhaust note in the tunnel in the cabin. It's frustrating when you're cruising at 61-71mph on the freeway, traction from a boat or trailer gets annoying pretty quickly. At lower speeds and rpm it sounds great but is still a lot louder than a stock muffler. It sounds good when fully open or accelerating past 2100 rpm, although it's still

Pros
  • Quality construction
Cons
  • Hard to tell