MagnaFlow XL 3 Chamber Aluminized Steel Muffler - 13266

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  • MagnaFlow Exhaust | Part Number: M/F13266
  • Inlet Location:Offset
  • Material:Stainless Steel
  • Tube Size (Inlet/Outlet):2.5 Inches/2.5 Inches
  • Type of Muffler:Chambered
  • Fitment:Universal Fit
  • Outlet Location:Offset


MagnaFlow XL 3 Chamber Mufflers use a unique combination of large diameter perforated tubing and strategically placed sound baffles to reduce unwanted resonance and help your engine create horsepower. The sound baffles tune the sound waves using calibrated tuning gate openings that allow portions of the waves to pass through. The large diameter perforated core eliminates the flow restrictions of a louvered style core.

Customer Reviews

3.5 3.5
2 Customer ratings

Question & Answers

1 Answered question

Q: Will this fit a factory 2005 gmc yukon 5.3 liter v-8 engine? Answer this question

A: Dust, This muffler will work on your truck but you will want to measure the inlet and outlet on your factory exhaust to make sure it is also 2.5" to match.

Answered by Morgan on 08/08/2014


"Quality. Power. Sound." is the slogan that MagnaFlow uses to describe its premium products for 4x4s. The company began over 30 years ago as an offshoot of Car Sound Exhaust systems and their parts and accessories include direct-fit converters and cat-back systems to universal mufflers and builder's kits for fabricating custom systems. MagnaFlow blends unsurpassed quality and performance with security sound without skimping on the style that off-roaders look for in parts. As a market leader and ISO-9001 certified company, MagnaFlow Exhaust systems are for off-roading, motorsports and daily driving. Shop MagnaFlow Exhaust Now


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