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  1. Exhaust Systems
  2. MagnaFlow
  3. Cat-Back Exhaust
  4. Gas
  5. Rear Exit - Single - Curved - Passenger Side
  6. 2-1/2 Inch Tubing Diameter
MagnaFlow Stainless Steel Cat-Back Exhaust System - Gas

MagnaFlow Stainless Steel Cat-Back Exhaust System - Gas

Retail:$1,185.95
Our Price: $888.91
You Save: $297.04
Exhaust Systems

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Shipping Weight: 75 lbs
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This cat-back exhaust system improves engine performance and durability by boosting horsepower and torque. Its technologically advanced, Mandrel bent tubing and straight-through muffler allow the exhaust to flow more freely through the system. 1-800-940-8924 to order MagnaFlow exhaust systems part number MF15679 or order online at etrailer.com. Free expert support on all MagnaFlow products. Great prices and Fastest Shipping for MagnaFlow Stainless Steel Cat-Back Exhaust System - Gas. Exhaust Systems reviews from real customers.
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  • Reviews (22)
  • Q & A (0)
  • Videos (1)
  • Photos

MagnaFlow Exhaust Systems

  • Cat-Back Exhaust
  • Gas
  • Rear Exit - Single - Curved - Passenger Side
  • 2-1/2 Inch Tubing Diameter
  • 3-1/2 Inch Tip Diameter
  • Stainless Steel
  • Single
  • 1 Tip
  • MagnaFlow

This cat-back exhaust system improves engine performance and durability by boosting horsepower and torque. Its technologically advanced, Mandrel bent tubing and straight-through muffler allow the exhaust to flow more freely through the system.


Features:

  • Improves engine performance by increasing horsepower, torque and fuel efficiency and decreasing exhaust gas temperature
    • Mandrel bent tubes allow for unrestricted airflow by maintaining the same diameter through every curve
      • Unrestricted airflow decreases back pressure ("exhaust turbulence")
    • Straight-through muffler has a stainless steel perforated core that runs straight through, end to end
      • Layer of stainless steel wool insulates the perforated core to absorb noise, shield high exhaust temperatures and prevent blowouts
      • Contains no baffles, chambers or louvers that restrict airflow
  • Signature sound is deep and throaty on throttle but quiet inside the vehicle
  • All materials made with 100% stainless steel
  • Clamps and hangers included for installation
  • Lifetime warranty

Specs:

  • Tubing diameter: 2-1/2"
  • Muffler dimensions: 5" tall x 8" wide x 18" long
  • Tailpipe diameter: 2-1/2"
  • Tip diameter: 3-1/2"
  • Number of tips included: 1
  • Single exhaust system
  • Rear side exit position

The cat-back system is the portion of the exhaust system from the outlet of the catalytic converter to the tailpipe. MagnaFlow systems have Mandrel bent tubes that allow for unrestricted airflow by maintaining the same diameter throughout every curve. This curvature leads to decreased back pressure.

MagnaFlow mufflers have a stainless steel perforated core that runs straight through the muffler, end to end, with no baffles, chambers or louvers that restrict airflow. A layer of stainless steel wool insulates the perforated core to absorb noise, shield high exhaust temperatures and prevent blowouts.

Together, the Mandrel bent tubes and straight-through muffler increase horsepower, torque and fuel efficiency and decrease exhaust gas temperature. MagnaFlow's signature sound is deep and throaty on throttle but quiet inside vehicles. All materials are made with 100 percent stainless steel. Clamps and hangers are included for installation. It includes a lifetime warranty.

Dyno chart displaying power and torque differences between OEM and MagnaFlow systems

This dyno chart displays the differences in power and torque between OEM (blue) and MagnaFlow (red) exhaust systems. The darker red and blue lines represent the torque measurements; the lighter red and blue lines represent the power measurements.



15679 MagnaFlow Cat-Back Exhaust System

Item # MF15679

Installation Details MF15679 Installation instructions

This Product Fits The Following Vehicles




Video of MagnaFlow Stainless Steel Cat-Back Exhaust System - Gas

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for MagnaFlow Exhaust Installation - 2001 Ford Ranger

Today on this 2001 Ford Ranger we are going to install part number MF15679 from MagnaFlow. The first thing we are going to do to get ready is go ahead and move the spare tire. You do not have to do that but it makes things a lot easier to get to and see. The next thing we are going to do is spray down the bolts going towards the catalytic converter. Let it sit for awhile and we will go ahead and loosen them up. And also, you will notice, this is not the original factory connection going to the catalytic converter too. This is actually another aftermarket exhaust. We will leave that set for now. Now we will go back to the rest of the exhaust and remove all of the rubber hangers. Just spray them down with some lubricant also and pull them apart. Alright, we will just push it to one side and pull it out. And then we will pull out the other side. You should be able to pull it all out as one piece. 0:56

Let us start off by installing the muffler on to the hangers. Let us do our preassembly on our extension pipe. First off, this ring right here goes around the exhaust and clamps it to the catalytic converter. Make sure it fits into the bevel right here. Now remember, the original factory hardware would fit in these holes here. In our case, we are going to have to come up with something a little bit different to attach everything together. We will go ahead and slide on our clamp as well. Now we will go ahead and slide the extension pipe into the muffler and then attach the other half to our catalytic converter. Alright, now we are intentionally leaving this loose so we have some flexibility so we can route the pipe the way we want it. Make sure that it seats good on to the catalytic converter so we have plenty of room around the frame components. Now we will take our clamp and slide it on to the muffler. Make any adjustments. 1:52

Now let us go ahead to the other side of the muffler and install the tailpipe. Slide on the rear hanger. With everything in place, let us go ahead and start snugging everything down and adjust it as we need to just to be on the safe side. Now we will go ahead and torque down the bolts as specified in the instructions. With that that will finish our install of part number MF15679 from MagnaFlow.


Customer Reviews

MagnaFlow Stainless Steel Cat-Back Exhaust System - Gas - MF15679

Average Customer Rating:  4.5 out of 5 stars   (22 Customer Reviews)

This cat-back exhaust system improves engine performance and durability by boosting horsepower and torque. Its technologically advanced, Mandrel bent tubing and straight-through muffler allow the exhaust to flow more freely through the system.

by:

Installation was easy, perfect fit, sounds great and engine roars! Thanks etrailer for the great customer service and MagnaFlow for a great product!



by:

Have to say that I was a bit skeptical at first, as I don't know anyone that has installed this particular kit. After installation, I am pleased to report that it has exceeded my high expectations. Kit came complete with everything needed to install (less the flange bolts). Initial sound was excellent...not too loud that it bothers the kids while they're sleeping in the car, but deep and loud enough to turn some heads. Excellent experience dealing with Etrailer as well. Will not hesitate to do business with them in the future. Thanks again for the super fast shipping and excellent customer service!



by:

My Magnaflow cat back exhaust system on my 2016 VW GTI gave me more of the sound I wanted for my little sports car, and it looks so much better than the stock exhaust system. Meaning: the stock muffler, which shows horizontally at the rear of the vehicle, looks like an afterthought, just a metal can. The muffler on the Magnaflow is hidden in a pocket near the center of the undercarriage, so it doesn't show at all. What is visible at the rear are the dual stainless steel pipes. In addition, the exhaust tips on the Magnaflow are larger in diameter to accommodate the larger diameter pipes, and therefore look more aggressive. I am very satisfied with the setup.



by:

The exhaust system fit perfectly, sounds great, and looks stylish. The exhaust tone is not overly loud, yet sounds much more powerful than the stock system did.



by:

Hardest part of installation was getting the truck high enough off the ground to get the factory exhaust over the axle. The new system was relatively easy and fit perfect. The spare tire does not fit underneath with this kit installed. I put a Tire Buddy in the bed to hold the full sized spare. The heavy duty factory receiver hitch is not in the way. System has a mellow purr that should be street legal everywhere yet is semi-aggressive. No blatting or popping. Chrome tips seem to always get black with soot and need to be cleaned often. This is a premium system and should last the life of your truck. It is well supported and doesn't vibrate. I highly recommend it. If Chevy had this as an option they would sell lots more trucks.



by:

Bought the magnaflow exhaust for my 2015 GMC. Everyone says how great it sounds. Price was good and easy to install.



by:

Very good performance and sounds installed myself in driveway in under 45 minutes. service was great from e-trailer.



by:

I am well pleased with the system itself. This was actually a replacement under the warranty, and the previous system lasted seven years, here in the rust belt. Only complaint was the necessity of returning to manufacturer for inspection prior to receiving replacement. That meant my truck was down for about a month.



by:

Great customer care and service from Chris and the Etrailer employee's. Got back to me to let me know of a item was back ordered from a manufacturer, didn't try to over sell me on products, asked what I'd like to do. Helped me make changes to my purchase that I needed right away. Two days later they now have my business shopping loyalty from here on out. I can't thank you guys enough.



by:

nice and growly sounding, helpful tip spay some wd 40 on ends before fitting together, helps to slide the parts together easier.



by:

Product nice. Fit could be better for trans am. Tail pipes don't show. Had to make extensions. Works ok now



by:

I believe it is the best exhaust on the market for this application. only thing is the exhaust tip needs bent down more as it touches the body and will melt plastic.



by:

Nice addition, not too loud and yet good rumble. Easy installation and would recommend it.



by:

Not a great fit on my 2009This kit sounds and looks great, but the three bolt cat flange didnt fit my truck, it required machining to spread the holes further apart, just a heads up my honda ridgeline was built in june of 2009 and the install took 5 hrs because of this issue, however when finished it sounds and looks great.



by:

Not a direct FitSounds good but had to modify rear brackets and drill holes in the frame to install on 09 F150 crew cab..not impressed with fitment or installation time..modification time caused loss of profit..



by:

The MagnaFlow exhaust looks and sounds awesome. Not only that but the stainless steel construction and lifetime warranty gives me peace of mind.



by:

Excellent exhaust note through out the entire RPM range! Highly recommended this cat back system.



by:

Easy install, perfect fit on my 07 Tacoma. After computer reset, several miles, truck runs Awsome. Great seat of pants torque increase, combined with my Injen cold are intake truck is way quick and has much throatier note.



by:



by:

Looks and sounds great, not at all loud but a nice rumble that I can enjoy.



by:

Easy to install sounds great I love the product it looks good too I'll try to get pictures up later



by:

I am so disappointed with this product ..i spend almost a grand and the sound of the exhaust is not good at all... I wish i can return this ...


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See what our Experts say about this MagnaFlow Exhaust Systems

  • Curt Towing Parts needed for 2002 Ford Ranger and How Loud is Magaflow Exhaust For It
    We have all of the Curt towing components you mentioned individually but we do not have them as an entire kit. So we have the Curt hitch # 13138, the wiring # C55344, the ball mount # C45010, the hitch ball # C40002, and the pin and clip # C21500. The Magnaflow Catback # MF15679 is going to be noticeably louder than what you have but not to the point it would be annoying. If you fast forward to the 2:20 mark of the install video I attached for this you can hear the difference as well.
    view full answer...

Info for this part was:

Employee Zack K
Video Edited:
Zack K
Employee Jameson C
Expert Research:
Jameson C

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