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Magnaflow Competition Series Axle-Back Exhaust (05-09 GT, GT500)

Item 48058
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      Review & Installation Video

      Hey it’s Justin with, and I’m taking a closer look Magnaflow’s Magnapack exhaust system, fitting all 05-09 GTs and all 07-09 GT500’s. The name Magnapack plays homage to that classic muscle car sound of the 60’s and 70’s, specifically the glass pack mufflers that were on just about anything with a V8. Anyone that has heard a glass pack before knows that the sound is certainly unique, and Magnaflow has done their best to recreate that nostalgic sound, with the use of their straight through design Bullitt style Magnapack mufflers. Like any other Magnaflow system, the Magnapack is built extremely well, and looks as good as it sounds, as for the construction, well, the Magnapack is made from 100% stainless steel, including the small amounts of 2.5” mandrel bent tubing, those brightly polished Magnapack mufflers, and finally the unique styled 3.5” tips, which do exit out of the stock location. Since this is an axle back the install shouldn't g’ve you too much trouble, and only take an hour in the driveway using basic hand tools. Now let’s hear how the Magnapack from Magnaflow sounds compared to our factory exhaust.

      Product Information

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


      • Aggressive Muscle Car Sound
      • Durable, Stainless Steel Construction
      • 2.5" Mandrel-Bent Tubing
      • 3.5" Polished Stainless Steel Tips
      • Competition Mufflers
      • Fits 2005-2009 GT, Bullitt and GT500 Mustangs


      Free Flowing Exhaust. Magnaflow delivers the ultimate free flowing exhaust for the V8 powered S197 Mustangs with the Competition Axle-Back Exhaust. By eliminating power robbing restrictions, more horsepower and torque is produced where it belongs - at the rear wheels.

      Aggressive Muscle Car Sound. The Magnaflow Competition Axle-Back Exhaust System features a set of two straight through bullet-style competition mufflers to give your Mustang the loud aggressive exhaust note of the muscle cars of yesteryear.

      Quality Magnaflow Construction. The Magnaflow Competition Axle-Back System is constructed from 2.5" mandrel bent stainless steel tubing for long life and a perfect fit. The system features (2) competition straight-through mufflers along with (2) brightly polished 3.5" stainless steel tips that exit from the stock location for impressive good looks.

      Application. Made as a direct bolt on, this Magnaflow Competition Axle-Back Exhaust System will bolt straight up without any modifications required on the 2005 to 2009 GT, Bullitt and Shelby GT500 Mustangs to give it a deep aggressive sound.

      Note: Coupon codes cannot be applied to this product.

      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.

      Fitment: 2005 2006 2007 2008 2009 Details

      MPN# 16793

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (6)

      Write a Review

      Ratings Summary

      4.2 out of 5 overall rating from 6 customers

      Installation Time: Afternoon

      • September 29, 2018

        3 2008 GT - JimG Installation Time: Less than 1 Hour

        Not impressed

        While the fit and finish are perfect, the sound is disappointing...not as loud as I had hoped for. I agree with the last review...I feel like I wasted my money.

        Helpful (7)
      • July 17, 2018

        5 2005 GT - Brian Installation Time: Afternoon

        Love the sound

        Low frequency rumble, not louder than stock at idle, like the efficient flow thru design

        Helpful (8)
      • April 10, 2018

        5 2007 GT500 - JohnM Installation Time: Less than 1 Hour

        Great sound!!

        Easy to install and sounds GREAT!!! Couldn't be happier with the pipes....

        Helpful (8)
      • May 20, 2016

        5 2007 GT500 - Mike51 Installation Time: Afternoon


        The sound is AWESOOME. However, the fit was far from perfect. No matter how many times I loosened and tightened the bolts, it was never even. The problem was with the factory hangers. I had to take it to the muffler shop to have them heat, bend and adjust the hangers for the perfect fit. Overall, these are great mufflers that get attention.

        Helpful (11)
      • March 11, 2016

        5 2007 GT - tuck22 Installation Time: Afternoon

        Awesome product

        Excellent fit and finish , love the polished tips. The sound from these pipes are an attention getter.

        Helpful (11)
      • August 30, 2014

        2 2006 GT - Boss71 Installation Time: Less than 1 Hour

        Not very loud

        It has a nice rumble sound but not much louder than the factory one. I feel I wasted my money on this because my factory exhaust was in fine condition I only replaced it for some tougher sound but failed with this system.

        Helpful (14)

      Questions & Answers (1 answers)

      1 Top Rated Question

      I have magna flow street nice deep throat sound , wanted a little more sound my car is a convertible worried about drone ? thoughts ?

      • While drone is subjective and will be different to each person this exhaust will give off some drone.

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Axle-Back Assemblies
      • (2) Band Clamps

      Tech Specs

      Axle-Back Exhaust Specifications
      Piping Material:Stainless Steel Tip Material :Polished Stainless Steel
      Piping Size:2.5"Tip Size:3.5"
      Muffler Type:Straight-throughFitment:2005-2009 GT, Bullitt, GT500

      Will It Fit My Mustang

      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09
      • GT500 - 07, 08, 09

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