MagnaFlow Cat-Back Exhaust Kit Street Series 3" Stainless Steel GT 2015-2017

94% of 100


  • Dyno Proven Increases
  • 3" Competition Series Cat Back
  • Dual 4.5" Polished Tips
  • Stainless Steel Construction
MSRP $2,423.01
You save 37%

MagnaFlow Stainless Steel 3" Street Series Cat-Back Exhaust Kit for all 2015, 2016 and 2017 GT Mustangs.

Love your new 2015-2017 GT Mustang but want it to sound like the asphalt-eating machine it really is? The MagnaFlow Stainless Steel 3" Street Series Cat-Back Exhaust Kit will give your 'Stang the old-school muscle car sound that we all know and love.

Features and Benefits:
- Made From 3" Stainless Steel Mandrel Bent Tubing
- Dyno Tested and Proven to Increase Both Horsepower and Torque
- 4-1/2" Polished Stainless Steel Tips
- Dual 5”x8”x14” Street Series Mufflers
- Smooth, Deep Tone Reminiscent Of Old-School Muscle Cars
- All Welded Construction and Built To Last
- Easy To Install

This MagnaFlow Stainless Steel 3" Street Series Cat-Back Exhaust Kit is the best way to transform your Mustang into the muscle car it's meant to be. MagnaFlow has personally tested and proven considerable performance gains in both horsepower and torque with this cat-back system. With the prestigious MagnaFlow name, you know these parts are built to last with all mandrel bent tubing and precise fitment around the brand new 2015-2017 fastback Mustang's independent rear suspension.

This system is a complete kit, including all the necessary mounting hardware for installation. This MagnaFlow kit mounts in all of the factory exhaust mounting locations and exits through the rear valence. The 4-1/2" polished stainless steel tips also fill up the exhaust cutouts much better than the stock muffler tips. The Street Series Mufflers included with this kit provide a much more aggressive sound than the stock mufflers, but not overbearing when you're cruising down the highway.

Please Note: This exhaust WILL fit both fastback and convertible 2015-2017 GT Mustangs.

Take your Mustang's exhaust note to the next level with the MagnaFlow Stainless Steel 3" Street Series Cat-Back Exhaust Kit for your 2015-2017 GT Mustang from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Novice skill is required for this installation.

Installation Videos

Video Transcript

We’re here with MagnaFlow's Street Series Cat-Back Exhaust System fitting your 2015 Mustang GT.

MagnaFlow designed this Street Series Cat-Back Exhaust System to give you a smooth, deep, muscle car tone without being overly aggressive. It starts off with a true x-pipe going through a set of 3" mandrel-bent tailpipes, to a set of MagnaFlow's polished mufflers, and ending in a set of their 4-1/2" polished tips. This Street Series Cat-Back is a direct bolt-on to your 2015 Mustang, requires no cutting. Features all mandrel-bent pipes and is a good bit lighter than the factory system on your 2015.

The MagnaFlow's Street Series Cat-Back System's a great way to give your 2015 Mustang that classic muscle car sound, at the same shedding some weight and adding some horsepower.

Vehicle Fitment

This product will fit the following Mustang years:

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