Free Shipping On Orders Over $49. Details

Talk to a Mustang Enthusiast
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $15,000!! Enter Now
Coronavirus: We are Open For Business, Prioritizing health and safety Learn More

Magnaflow Competition Series Cat-Back Exhaust (11-12 V6)

Item 48044
Call a Mustang Enthusiast at 1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $902.99 You Save 12% ($104.60)
Our Price


FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
In Stock

Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

      Review & Installation Video

      Justin here from, breaking down Magnaflow’s Competition Series Cat-Back exhaust for the 2011 and newer V6 Mustang. This is probably one of the most aggressive kits available for the 3.7L V6, thanks in part to that 2.5” mandrel bent piping, straight through those competition series mufflers, and out the dual 4” polished tips. Now that straight through design is going to totally eliminate a lot of back pressure, making for big power gains, especially in the upper RPM range. Despite that gain in power, you can expect an extremely aggressive exhaust note, so for someone who’s trying to stay under the radar, this might not be the kit for you. The entire kit features 100% stainless steel construction, all the way down to those dual 4” polished tips. You can expect to have everything installed in about two hour’s time. Now let’s hear how Magnaflow’s Competition Series Cat-Back sounds compared to your factory exhaust.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • More Power and Torque
      • Aggressive V8 Type Sound
      • 2.5" Mandrel-Bent Stainless Tubing
      • 4" Polished Tips
      • Fits 2011-2012 V6 Mustangs


      Add Power. Get your 2011-2012 V6 the respect it deserves at the track and strip with a Magnaflow Competition Cat-Back. This free-flowing system will deliver the race-winning horsepower and torque gains you need with the impressive sound you want.

      Aggressive Musclecar Sound. Give your 2011-2012 Mustang V6 a deep, aggressive rumble that will make lesser cars clear a path at lights with a Magnaflow Competition Cat-Back. This premium quality exhaust features free-flowing, straight-through Competition mufflers that increase power and give your V6 an unmistakable musclecar sound.

      Magnaflow Quality. This premium quality catback is constructed from free-flowing, mandrel-bent 2.5" stainless for superior performance and durability. Finished with dual 4" polished tips, this system looks as good as it performs.

      Application. Made to be a direct bolt on, this catback will bolt straight up to the factory hybrid H-Pipe without any extra modifications required on the 2011-2012 V6 Mustang to give it a deeper, more aggressive sound and improved performance.

      Note: Coupon codes cannot be applied to this product.

      Note. Stock 2011 V6 Mustangs come stock with a Mid Pipe that resembles both the H-Pipe and X-Pipe designs. This hybrid Mid Pipe was created by Ford to help add additional power and sound to the V6 straight out of the factory.

      Fitment: 2011 2012 Details

      MPN# 15592

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (23)

      Write a Review

      Ratings Summary

      4.6 out of 5 overall rating from 23 customers

      Installation Time: Full Day

      Installation Cost: $100-$250

      • July 26, 2018

        5 2012 V6 - MichaelR Installation Time: Shop Install Installation Cost: $100-$250

        very very good

        amazing sound but had minor alignment issue which is fine.

        Helpful (2)
      • June 20, 2018

        5 2012 V6 - ClarkJ Installation Time: Afternoon

        This added the missing link to my V6!

        Easy install, great sound! The sound of a V8, at V6 gas mileage. The pipes over the axel hit and require modifications unfortunately.

        Helpful (6)
      • February 18, 2018

        5 2012 V6 - runninpony Installation Time: Afternoon


        Fisrt off, I paired this with magnaflows race muffler. The car sounds amazing! Better than I could have ever imagined. I'm also running long tubes and a o/r X pipe. There is drone in certain RPM ranges but not an issue for me! I did need to bend the hangers to center everything up but this could have been due to my "custom" set up. Overall, super happy!

        Helpful (6)
      • January 10, 2018

        5 2012 V6 - DHyon Installation Time: Afternoon

        Great exhaust, bad fit

        Didnt have a lift so just jacked it up and loosened the rear axle to slip the old pipes off and the new ones on. Panhand support bar couldnt fit back on and the brackets had to be placed back on upside down to fit(or backwards, dont remember). Other than that great exhaust. Sounds simply amazing. I'm running off bbk shorty headers and stock mid pipe so i still have my cats and resonators. The drone is very tolerable and does not bother me since the radio is usually on and my windows are normally rolled down. May switch to a different mid pipe to make it a lil louder but for now it sounds amazing, love it.

        Helpful (6)
      • January 10, 2018

        5 2012 V6 - CarlosR Installation Time: Shop Install Installation Cost: 0-$100

        V6 Exhaust

        Fits great. Sound is definetly powerful. Love the new upgrade. The clamps from the x to the pipes cannot be the factory ones. Had. To take car to muffler shop to finish the install.

        Helpful (7)
      • October 30, 2017

        5 2012 V6 - JamesS Installation Time: Shop Install Installation Cost: 0-$100

        Nice exhaust system

        This exhaust system paired with bbk tuned headers has really deep sound a lot of bass around 1000 rpms. Half throttle to full throttle you really hear them cams working sounds good. Quality of material is very good.

        Helpful (7)
      • September 19, 2017

        5 2012 V6 - DaleO Installation Time: Less than 1 Hour

        Great sound

        Installed this in about 45 min it's a beast sounds great

        Helpful (6)
      • August 05, 2017

        5 2012 V6 - JoelW Installation Time: Afternoon

        amazing sound

        videos just dont do the justice, anyone who wrote a bad revie is just out of their mind trust me they are definitely worth it and will make you smile (: cousted me $100 to install at a local muffler shop

        Helpful (6)
      • June 10, 2017

        4 2011 V6 - FatMan Installation Time: Afternoon

        Bass boost !

        Removing the old exhaust is easy with some tall (slightly questionable) jack stands and an electric saw! Once out the weight difference is considerable, I got worn out taking the stock mufflers to the dumpster! Putting on the new mufflers and pipes required a little bit of finangling to get in but they fit! The only issue I had was with the tips touching the rear valence. I'll probably have a shop adjust it a little bit but other than that it's got a beautiful sound! 1000-2500 is nice and deep for cruising and I'm case you forget 2600 reminds you you're in America's favorite pony car!

        Helpful (7)
      • April 19, 2017

        5 2012 V6 - MarkC

        Son's reaction... awesome!

        So it took about 2-1/2 hours for me to install... I did it while car was on jack stands in the garage, with the help of two teens, after cervical discectomy and fusion surgery three weeks before... so I had to take a few breaks. :) Over all I had more problem getting the old exhaust off then getting the new exhaust on. And my son's reaction to his first start... priceless! One happy 18yo who was was so appreciative afterwards, he thanked me twenty times.

        Helpful (6)

      Questions & Answers (10 answers)

      5 Top Rated Questions

      Ive had these exhaust installed for about a month and for some reason theres this weird almost buzzing like grinding noise only at 1,500 rpms. It can get really annoying and loud sometimes. It happens after ive been driving for about 5 minutes and it will only happen when i accelerate past 1,500 rpms and then at 2,000 rpms goes away. I checked under my car and there is no metal grinding i have no clue what it is. do you have ang ideas what that could be? Is it the exhaust settling in? Will it go away?

      • We will need more info about the noise you are hearing, possibly from the Magnaflow Competition Cat-Back Exhaust you have installed. Please feel free to give us a call or send us a email so we can help you with your question.

      Helpful (2)

      How much power is added with these bad boys?

      • The Magnaflow Competition Cat-Back Exhaust gives you about 10-15 hp and 10-15 torque plus 1-2 miles per gallon. You will also notice a difference in the sound produced by your V6 Mustang.

      Helpful (1)

      Will this fit a 2010 V6 Mustang if I had a local exhaust shop put it on for me?

      • Since this only has fitment for a 2011 & 2012 V6 Mustang, it will take custom fabrication for this to be correctly used since the 2010 V6's came with a factory Y-pipe.

      Helpful (1)

      Are these louder than the axle-back race series? Based off the video the magnaflow axle-back seems much louder and deeper.

      • The Magnaflow Race Series Axle-Back Exhaust (11-14 V6) will actually be louder than the Magnaflow Competition Cat-Back Exhaust (11-12 V6) because the Competition is a muffler'd exhaust and the Race is a muffler delete.

      Helpful (1)

      This would fit a 2012 gt? Piping is pretty much the same and I don’t see what would be different.

      • This will not fit GT models.

      Helpful (0)
      Post Your Question
      5 More Questions
      Can I get this exhaust system custom made to have the muffler deleted? 1 answer
      how is the connection set up between the BBK o/r X pipe and this cat back? it appears they both are reduced to 2 1/4" 1 answer
      Will this upgrade require a tune? I definitely want to enhance the performance and sound of my v6, however, I don't want to mess with engine tuning until the warranty runs out. So will I need a tune with upgrade? 2 answers
      Compatibility Is this setup able to be paired with the bbk long-tube headers and catted x-pipe? 2 answers
      even if theres not an exact number for the hp it gives but how much hp estimated if so? 2 answers

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Right muffler assembly
      • (1) Left muffler assembly
      • (1) Right tailpipe assembly
      • (1) Left tailpipe assembly
      • (2) clamps

      Tech Specs

      Cat-Back Exhaust Specifications
      Piping Material: Stainless Steel Tip Material : Polished Stainless Steel
      Piping Size: 2.5" Tip Size: 4"
      Muffler Type: Chambered Fitment: 2011-2012 V6 Mustangs

      Will It Fit My Mustang

          Related Mustang Categories