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Magnaflow Magnapack Catback Exhaust (05-09 GT; 07-09 GT500)

24 Reviews
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  • Item #48020
  • MPN #15883
  • Market Price $849.99
  • You Save 9% ($77.56)
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Product Videos Customer Photos
  • Aggressive muscle car sound
  • 2.5" mandrel-bent stainless steel tubing
  • 4" polished stainless steel tips
  • "MagnaPack" mufflers included
  • Fits 2005-2009 GT, Bullitt, and 2007-2009 GT500 Mustangs
Free Flowing Exhaust. Magnaflow delivers the ultimate free flowing exhaust for the 2005-2009 GT, Bullitt, and 2007-2009 GT500 Mustangs by eliminating power robbing restrictions to put more horsepower and torque where it belongs - at the rear wheels.

Aggressive Muscle Car Sound. The Magnaflow Catback Exhaust System features a set of straight through bullet-style "MagnaPack" mufflers to give your Mustang the loud aggressive exhaust note of the muscle cars of yesteryear.

Quality Magnaflow Construction. Each piece of the Magnapack catback system is constructed from mandrel bent 2.5" stainless steel tubing for long life and a perfect fit. The system features two Magnapack straight-through mufflers that end with brightly polished 4" stainless tips, that exit in the stock location for impressive good looks.

Application. Made as a direct bolt on, this Maganflow 'Magnapack' catback will bolt straight up to the factory Mid-Pipe without any modifications required on the 2005 to 2009 GT, Bullitt, and 2007 to 2009 Shelby GT500 Mustangs to give it a deep aggressive sound.

Technical note: AmericanMuscle recommends adding the 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit from the drop down option above, to provide more strength, stability and a cleaner installed appearance. If you have a 2007 Mustang you may need the kit for correct installation. Click here for details.

Mustang Fitment: 2005 2006 2007 2008 2009 Details

What's in the Box
  • (1) Right muffler assembly
  • (1) Left muffler assembly
  • (1) Right tailpipe assembly
  • (1) Left tailpipe assembly
  • (2) clamps
Installation Info
Tech Specs
Catback Exhaust Specifications
Piping Material: Stainless Steel Tip Material : Polished Stainless Steel
Piping Size: 2.5" Tip Size: 4"
Muffler Type: Straight-through Fitment: 2005-2009 GT, Bullitt, and 2005-2009 GT500 Mustangs
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09
  • GT500 - 07, 08, 09

Most Helpful Reviews View All

Overall Rating 4.6/5 Write a Review

Extremely awesome exhaust. Threw it on my \'07 Mustang GT in a matter of an hour, and now enjoying the deep, loud sound the 281 produces. I don\'t even listen to music in my car anymore, cause the exhaust

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Helpful (7) (0)


Nice and loud!!! Old school sound. I get complimented all of the time. Along with long tube headers and off road h pipe, I wake the neighbors all of the time.

Helpful (6) (0)


Hey I’m Justin with AmericanMuscle.com, and I’m taking a closer look at Magnaflow’s Magnapack Catback exhaust fitting the 05-09 Mustang GT, and GT 500. The Magnapack gets its name from these two Bullitt View Full Transcript

Customer Photos (11) View All

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Q & A (3 Questions, 3 Answers) Ask a Question

Curious Im going to be getting an 05-09 GT soon and I've been looking on your site for a long time now and been trying to piece together the best exhaust. My question is, can this combo work with this Magnaflow Magnapack Catback? ---> BBK Ceramic Long Tube Headers & BBK Shorty Catted X-Pipe. Thank You

going2ownastangsoon Year: 2005 Model: GT

Question Resolved
Good Question (0) (0)
  • You shouldn't run into any issues bolting up the BBK shorty x-pipe with this Magnaflow Catback or any other brand catback. The main concern when doing an exhaust upgrade with long tubes is to stick with the same manufacturer. So if you are doing the BBK Long Tubes, you will definitely want to stick with the BBK Shorty mid-pipe, which will ensure the best fitment! From the mid-pipe back, you can pretty much pick and choose whichever catback best suits your style! If you want any tips or advice on different set ups, give us a call! We'd be more than happy help you out!

    Helpful (3) (0)

    LisaS Year: 1992 Model: GT

do i need a x-pipe or h-pipe with this product. do i need a tuner when installing? the car has a 5speed manual.

lefty Year: 2007 Model: GT

Question Resolved
Good Question (0) (0)
  • No you don't need either when installing this catback. This Maganflow Magnapack will bolt straight up to the factory mid-pipe without any modifications. That being said, if you were to upgrade your stock mid-pipe with an h-pipe or x-pipe, you would increase your total gains. Installing this catback with the stock mid-pipe does not require a new tune. Hope this helps!

    Helpful (0) (0)

    LisaS Year: 1992 Model: GT

Will this work with the MAC H-pipe for a V6 dual exhaust conversion? I have an 07 V6 premium with the pony package and am looking to add duals in my car. I really love the magnaflows and am hoping they can capture that deep, classic, throaty exhaust sound of classic muscle cars. I would like to pull the factory Y-pipe and add a MAC H-pipe, keep the stock cats and then add this on for the true dual exhaust.

Aventador97 Year: 2007 Model: V6

Question Resolved
Good Question (0) (0)
  • Yes, the MAC Cut & Clamp Pro Chamber Mid-pipe (05-10 V6) can be installed on your 07 V6 along with this Magnaflow Magnapack Catback. It would reuse your stock cats and would be a great combination. Hope this helps!

    Helpful (0) (0)

    LisaS Year: 1992 Model: GT

Reviews (24) Write a Review

  • 5 Stars .79 80%
  • 4 Stars .12 12%
  • 3 Stars .04 4%
  • 2 Stars 0 0%
  • 1 Stars .04 4%

out of 5 stars

22 Customers Recommend this Product

Installation Time:Weekend

Installation Cost:$100-$250

  • Loudness / Volume: 3.8 3.8/5
  • Exhaust Note: 4.2 4.2/5
  • Fit & Finish: 4.8 4.8/5
  • Bang For Your Buck: 3.8 3.8/5
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  • 5/5


    February 21, 2008

    Extremely awesome exhaust. Threw it on my \'07 Mustang GT in a matter of an hour, and now enjoying the deep, loud sound the 281 produces. I don\'t even listen to music in my car anymore, cause the exhaust sounds too good. Recommended!!

    Joel Anctil

    Year: 2007 Model: GT

    Helpful (7) (0)

  • 5/5

    Classic Sounding Exhaust

    September 15, 2009

    This exhaust sounds and looks great. Very authentic sound. Those idiots with fart pipes are jealous!

    Jon Novak

    Helpful (6) (0)

  • 5/5


    July 16, 2009

    Nice and loud!!! Old school sound. I get complimented all of the time. Along with long tube headers and off road h pipe, I wake the neighbors all of the time.


    Helpful (6) (0)

  • 5/5


    July 16, 2009



    Helpful (4) (0)

  • 5/5


    September 20, 2008

    Just added this Catback and it sounds so smooth on my 08 Automatic. Flows good when I am on the highway and turns heads when I am in city traffic.


    Year: 2008

    Helpful (4) (0)

  • 5/5

    Simply Amazing

    October 06, 2008

    This catback system is simply amazing. The sound is so crisp and healthy. I would definitely recommend this to anyone who wants their car to sound amazing. I installed them with BBK long tube headers and a BBK x-pipe. I noticed that after about 2 weeks of driving around, the exhaust has quieted down. It definitely isnt obnoxiously loud, but sounds so good that it turns a lot of heads. Would recommend!!!


    Helpful (6) (2)

  • 4/5

    I wanted flowmasters orignally

    March 26, 2009

    I own a 05\' V6 Mustang, and had a professional install the GT magnaflows to replace my single exhaust mustang. I wanted flowmasters originally, but my mechanic told to to get magnaflows as flowmasters sound raspy on the v6. I unhappilly agreed. I couldn\'t be happier, now that its installed. Quite at idle (good, if a cop pulls up next to you), but has a mean rumble when I rev. Prob gave me 10-15 hp.


    Year: 2005 Model: V6

    Helpful (4) (1)

  • 4/5


    May 01, 2010

    Just had this installed this morning and i love it. it has a nice low tone that just roars quality!


    Helpful (2) (0)

  • 5/5


    May 09, 2009

    Awesome exhaust...add the magnaflow o/r x pipe and the sound is unreal

    Tommy Gunz

    Helpful (2) (0)

  • 5/5

    Awesome sound. Awesome quality.

    October 31, 2010

    Paired this with Magnaflow catted x pipe. It's loud and sounds great. My car sounds deep and muscley at lower rpms, but in the high range it sounds like a race car. Would recommend to anyone looking for a sound and performance upgrade.


    Driving Style: Daily Driver

    Helpful (1) (0)

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