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Magnaflow Exhaust Systems
Magnaflow Exhaust Tips

Magnaflow Catalytic Converters
Magnaflow Mufflers


magnaflow


MagnaFlow's passion is to deliver the best performing, most durable and capable exhaust components in the world. For over 25 years, MagnaFlow with the help of Car Sound Exhaust Systems, have been doing just that. Each product released has 20 specific design, material and process requirements that ensures a lifetime of great performance.

  • High quality construction
  • Strict manufacturing and testing standards
  • Proven performance gains
  • Lifetime warranty




Magnaflow Reviews and Installation Videos


Expert Answers about Magnaflow

  • What is the Difference Between a Resonator Exhaust Tip and a Regular Exhaust Tip
  • A resonator exhaust tip can be considered as a cavity resonator in which the design causes the air to vibrate a certain way in a hollow cavity which produces a certain sound. They can be used in some systems to work with the muffler to reduce noise. But at the tip, a resonator exhaust tip will produce more noise versus a regular exhaust tip. That loud, high frequency, reverberation sound you hear on import tuner cars is resonator exhaust. If that is the sound you are looking for, then...
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  • How Many Catalytic Converters Are Installed in 2002 Lexus ES300
  • The 2002 Lexus ES falls into the 4th generation of this design and if equipped with a 3.0L V6 engine it has three catalytic converters, according to my contact at MagnaFlow. The front converter is part # MF50821. The rear converters are parts # MF26214 and # MF50260. These are all bolt-on products; no welding is required. None of these items are approved by the state of California. I have linked each of these parts, but please note that the product images on our web pages are not...
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  • Will a Resonated Exhaust Tip Make Exhaust Sound Louder on a Truck
  • Using a resonated exhaust tip such as # PM-5104 would make the exhaust sound more crackly, for lack of a better term, than the stock exhaust and it might be a little louder. If you want to keep the exhaust note the same then a tip like # MF35212 would be a better way to go. It fits a 2-3/4 to 3 inch diameter exhaust pipe. If you want a deep and louder sound then you would want a cat-back exhaust system. For that I would need to know the year, make, and model truck you have, bed length,...
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  • Which MagnaFlow Exhaust for Deeper Exhaust Note on 2013 Chevrolet Camaro 2LT With 3.6L V6
  • My contact at MagnaFlow indicates that the muffler for your Camaro is part # MF14226. This is a single-inlet, single-outlet muffler made of 100 percent stainless steel and offering unrestricted flow for increased horsepower, torque and fuel efficiency, along with a deeper exhaust tone. This muffler is reversible, with one tube centered and the other offset. This too is a weld-on part. Since your Camaro has dual exhausts (accordng to my contact at MagnaFlow) you will need two of these. This...
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  • Difference Between Metallic and Ceramic MagnaFlow Catalytic Converters
  • I contacted our representative at MagnaFlow about the differences in the metallic and ceramic catalytic converters. The representative informed me that the metallic catalytic converters, like part # MF59956 are a bit stronger and would be good for applications where the catalytic converter is close to the header as they can handle more heat. The metallic ones are usually used on OBD1 applications. The ceramic catalytic converters, such as part # MF99659HM, are not as strong and usually...
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  • Do Horsepower Gains Stack From Tuner, Intake and Exhaust on 2018 Chevy Silverado With 5.3L V8
  • While you can add all a performance tuner, exhaust mods and cold air intake to your 2018 Chevy Silverado 1500 with a 5.3L V8 the horsepower gains will not necessarily stack. These components can all add horsepower but it will likely not add up per component. So if you added the Edge Gas Evolution CTS2 Performance Tuner # EP85450, MagnaFlow Off-Road Pro Series Turndown Cat-Back Exhaust System # MF17148 and Airaid MXP Cold Air Intake System # AR200-285 the only way to know for certain...
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  • Error Code P0420 After Replacing Exhaust Manifold Gasket and Using MagnaFlow Catalytic Converter
  • The most common things that can cause a P0420 error code are bad oxygen sensors, engine coolant temperature sensor malfunction (does not seem likely given what you have said), leaking exhaust, or a bad catalytic converter. Since you had a manifold gasket issue, it sounds like there could still be a leak in the system somewhere. This can happen with gasket replacement if any remnants of the old gasket were still on the block or manifold when the new one was installed. It could also...
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  • Is the Outlet Diameter Measurement Listed for Magnaflow Mufflers Or is it the Inner Diameter
  • The inlet/outlet/tubing diameters listed from Magnaflow are OD, outer diameter, not ID, inner diameter. If your tubing is 2.5 OD you will have to butt-weld the muffler to the exhaust tubing, the exhaust pipe will not slide into the muffler. Any muffler shop can do this. The MagnaFlow muffler, part # MF10416 is not designed to be a slip fit muffler. Your exhaust tubing would need to be designed for slip fit mufflers and have band clamps to apply sufficient pressure to seal the system....
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  • What is the Direction of Flow for Universal Catalytic Converter # MF53004
  • I spoke with my contact at MagnaFlow and found out that the universal fit catalytic converter is reversible so it does not matter which way the flow goes. If you can tell me the year, make, and model of the vehicle i can tell you what converter options we have that will fit.
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  • Recommendation for a MagnaFlow Muffler that has Agressive Sound for a 2001 Dodge Ram 2500 5.9 Liter
  • I spoke with one of my colleagues that has a MagnaFlow Muffler on his Trans AM with the LS1 350 engine and he says it has a nice aggressive tone, does not drone in the cab, and when you accelerate it is louder like most people want. The muffler you selected, item # MF12198 is the smallest Universal muffler that Magnaflow makes and on a larger engine, like the 5.9 liter, this muffler is going to be very loud and will drone. This muffler has a 3 inch inlet and two 2-1/2 inch outlets. The...
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  • Recommend Replacement Catalytic Converters For 1996 Ford Explorer
  • Depending on which motor your 1996 Ford Explorer is equipped with will depend on how many and which catalytic converters you will need. If you have the V6 4.0 liter motor, you will need to replace the the front and rear converter. For this we have the MagnaFlow Stainless Steel Catalytic Converter, part # MF23313, (49 state approved) which is a direct fit replacement. If you have the V8 5.0 liter motor, you will need to replace a total of 4 catalytic converters. For the driver side...
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  • Cat-Back Performance Exhaust for 2004 Nissan Titan With 5.6L V8
  • Just about any aftermarket cat-back exhaust system for your 2004 Nissan Titan will produce a louder exhaust note than the stock system. The exact sound level and exhaust note will vary depending on whether the system you choose is a flow-through or chambered type. Generally flow-through exhausts like the MagnaFlow # MF15849 for the Crew Cab short bed Titan will be louder than a chambered system, but any other aftermarket products that are installed, such as an intake, also will have an...
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  • How to Quiet Loud Exhaust Noise Inside the Vehicle After Installing New Dual Exhaust
  • Loud exhaust noise on the inside, with a deep drone, sounds like it could be a system with glass packs or another modified exhaust system that has a straight through type of muffler. If you switch the straight through mufflers with chambered mufflers it will take care of that issue. You will also want to check to see if there is a leak in the system somewhere, possibly ahead of the muffler and behind the headers. That happened to me once and it was horribly loud. A muffler shop should...
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  • Header Connections Needed to Install a MagnaFlow Exhaust System on a 1968 Chevrolet Camaro
  • As you have most likely realized, there will be some welding involved for the installation of the MagnaFlow Exhaust System, # MF15895, on your 1968 Chevrolet Camaro. You will need to find a flange that is compatible with your headers and have it welded to the front pipes that are included in the install kit, after they have been cut to the proper length. If your headers do not have a flange and you need to create one, you could use a ball flange. We have 3 sizes of stainless steel ball...
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  • Using Exhaust Tips to Redirect Exhaust Away From Cargo Carrier
  • An exhaust tip that re-directs the exhaust gasses downward can indeed help protect items carried on a cargo carrier from excess heat. Using a carrier like # 63153 that has an angled shank to raise the carrier further away from the exhaust pipes also helps. If you click the provided link, you can see the various tips we have available. To choose the correct tip, you'll need to measure the outside diameter of your exhaust pipe. Most of the tips are weld-on applications, so you'd need to...
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  • Direction of Installation for the MagnaFlow # 59959 Catalytic Converter
  • Yes, the MagnaFlow Stainless Steel Catalytic Converter - Universal, item # MF59959, can be installed in either direction. If a catalytic converter must be installed in a particular direction there will be markings on the outside of the converter itself. I have linked an FAQ article on catalytic converters.
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  • Can Exhaust Flow in Either Direction Through MagnaFlow Straight-Through Universal Muffler # MF12579
  • The MagnaFlow Stainless Steel, Straight-Through Universal Muffler # MF12579 can have exhaust flow in either direction through it. There is no one way the exhaust has to flow through it. For a similar muffler that has a 2 in/1 out or vice versa you would want the # MF12590.
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  • Are Catalytic Converters Directional
  • The P0420 DTC you mention means that one or both of the catalytic converters isn't operating as efficiently as it or they should be. Catalytic converters aren't usually directional, but if the converter has the port for the o2 sensor built into it, and if the converter's been reversed so that the downstream sensor is sitting upstream of the converter, it would explain why you're getting the DTC.
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  • How Much Horsepower will MagnaFlow Stainless Steel Cat-Back Exhaust System Add to Vehicle
  • I spoke with my contact at MagnaFlow regarding the Stainless Steel Cat-Back Exhaust System # MF16861 and he stated that while they do not have an exact number for your Infiniti G35, typically one can expect an approximate increase in horsepower between 8-15 hp after installation. This exhaust system is designed to improve engine performance thereby increasing horsepower along with torque and fuel efficiently. I have attached the installation details for you to check out.
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  • Will MagnaFlow Cat-Back Exhaust System Part #MF16817 Fit 2011 Honda Accord V6 Coupe
  • The MagnaFlow Stainless-Steel Cat-Back Exhaust for the Honda Accord V6, part # MF16817, is specified by MagnaFlow to fit the 3.5L coupe for model years 2008-09. Installation instructions are included. My contact at MagnaFlow confirmed that their engineers have performed complete test fits for the 2008-09 model years but have not done so for the 2011 Accord Coupe. This does not absolutely mean that the system would not fit on your 2011 Accord but they are not able to confirm. It was...
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  • Passenger and Driver side Catalytic Converter Recommendations for a 4WD Ford F-150 with a 4.6L V8
  • For your 1997, 4x4, Ford F-150 with a 4.6 liter V8 you would need a MagnaFlow Stainless Steel Catalytic Converter - Direct-Fit, part # MF23345, for the passenger side and a MagnaFlow Stainless Steel Catalytic Converter - Direct-Fit, part # MF23344, for the driver side. This catalytic converter is vehicle-specific, so the included clamps and hooks connect to the factory flanges and hanger locations, making installation quick and easy. It includes Mandrel bent tubes that reduce exhaust...
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  • Differences Between Ceramic Catalytic Converters and Stainless Steel Converters
  • In order to have a complete exhaust system for your 2001 Chevy Suburban you will need a cat-back system like a MagnaFlow Exhaust System # MF15798. Instructions link attached. When it comes to catalytic converters the general consensus is that a ceramic converter will be more efficient at removing unburnt fuel, but the metal converters will flow better, which might give more power. The ceramic converters recommended for your car are the: MagnaFlow Direct Fit Ceramic Catalytic Converter,...
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  • Recommended Exhaust System For 1965 Mustang With 289 4.7L Engine
  • The exhaust system I recommend for your 1965 Ford Mustang with the 289(4.7L) engine in it is the MagnaFlow Exhaust System, part # MF15817. This is a dual exhaust system that features mandrel bent tubes, meaning they maintain the same diameter throughout while preventing back pressure. The system also boosts horsepower and will give you a deep throaty sound while remaining quiet inside your Mustang. We also offer exhaust tips for your system. The system I recommended has 3 inch tailpipes,...
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  • 03 Chevy S10 with LSA 6.2 engine
  • I reached out to my contact at MagnaFlow to get their take on this. The muffler is the tricky part because it's going to come down to space. A good place to start is the MagnaFlow # MF12279 which measures 5 x 8 x 30 inches. Another option is # MF12579 which is 5 x 11 x 28 inches. Both will fit your 3 inch pipes. For a 4 inch resonator # MF14419, which is technically a muffler but for your truck will be acting as the resonator. Another option if you want to go to a 5 inch is # MF12867....
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  • Can a Vehicle Run without Catalytic Converters Installed
  • We can't ever recommend you remove emissions related components on a vehicle. If you remove catalytic converters on a vehicle you will end up having Service Engine Soon codes pop on the dash of your vehicle. But to answer your question directly, your vehicle will still run just fine without catalytic converters installed. Cats do not actually help the engine run in any way. All they do is clean up the emissions. The O2 sensors before the cats are what is used for the air/fuel mixture...
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  • Replacing Old O2 Sensors When Replacing a Catalytic Converter
  • I spoke with my contact at Magnaflow and he said it is not going to hurt anything to run your new assembly with the old sensors. He also said that if you are not getting any bad readings from your old sensors, then you do not have to replace them. However, if you do want to put new sensors in and it is more convenient to replace the old sensors with the new sensors during installation, then that is acceptable as well. I would recommend that you let the entire assembly cool off before...
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  • Replacement Catalytic Coverter Recommendation for 2003 Toyota Corolla
  • We offer a direct-fit, 49 state legal (except for California) catalytic converter for your Corolla, part # MF93200. The converter you referenced, part # MF36760, is for a Nissan Maxima or Pulsar.
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  • MagnaFlow Exhaust System Options for 2005 Chevy Silverado 5.3L Extended Cab Short Bed
  • We have 3 systems available for your 2005 Silverado 1500 Extended Cab, Short Bed with a 5.3L V8 depending on how the factory exhaust is set up on the truck. The first is a single side exit behind the rear tire, part # MF15778. Second, is the dual split rear exhaust below the rear bumper, part # MF15792. And the third is a dual side exit in front of the rear tire, part # MF15842. I will include links to the individual exhaust pages as well as a page that gives an overview...
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  • How to Install MagnaFlow Clamp-On Exhaust Tip # MF35212
  • The MagnaFlow # MF35212 clamp-on exhaust tip is designed to fit on a 2-3/4 to 3 inch outside diameter tailpipe. The exhaust tip would slip over your existing exhaust pipe, and the integrated band clamp on the exhaust tip would be tightened.
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  • Will a Straight-Through MagnaFlow Muffler be Very Loud on a 2013 GMC Sierra with 6.2 Liter Motor
  • A straight pipe or straight through muffler such as # MF14161 is going to be loud because there are no baffles inside to reduce the noise. The exhaust can flow straight through. If you have ever had the exhaust off of a vehicle forward of the muffler or catalytic converter, then it will be about as loud but not quite. If you are not looking for loud then this is not the muffler for you. You will want a more traditional muffler with baffles such as # MF12909. This will give the deep tone...
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