Magnaflow Competition Catback Exhaust (11-12 GT, GT500)

Magnaflow Competition Catback Exhaust (11-12 GT, GT500)
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Hey, Justin here with, taking a closer look at Magnaflow’s competition series catback exhaust fitting all 2011 and newer Mustang GTs. The competition series continues to be a popular choice here on the site, thanks in part to it’s very aggressive tone, along with the solid performance gains this kit offers. The system is constructed from 100% stainless steel and features 3” mandrel bent tubing which is going to be the norm for the majority of aftermarket catbacks for the 2011 and up Mustangs. That aggressive tone comes from these competition series mufflers, which feature a straight through design, really freeing up that exhaust flow. Finally, everything exits out these hand polished 4” tips. As far as price is concerned, you’ll find the competition series to be in the mid to high side of the price range, but still not as expensive as some other exhausts on the market. Getting this catback installed is fairly straightforward, and should take you about 2 hours using standard hand tools. Now let’s hear how Magnaflow’s competition series sounds compared to our factory exhaust.

About Magnaflow

Magnaflow Ford Mustang Exhaust Axlebacks, Catbacks, and Midpipes
MagnaFlow got its start as a natural extension of Car Sound Exhaust systems. Their parent company specializes in superior catalytic converter technology and has spent the last 30 years earning its reputation as a market leader around the world. They’re proud to continue this tradition through producing the best sounding, best performing and most durable exhaust components in the world. If you’re looking for quality, power and sound, then you’re looking for MagnaFlow.
OUR PRICE$932.99
Market Price $976.99You Save 5% ($44.00)
Item # 48038
(4.5/5)20 Reviews
Ships the same business day

Product Features

  • Aggressive Musclecar sound
  • 3" Mandrel-bent tubing
  • Stainless steel construction
  • 4" Polished tips
  • Fits 2011-2012 GT or GT500 Mustangs


See our 2011 GT Project Car Now

Add Horsepower. Stop choking your 5.0 with a stock exhaust and enjoy more horsepower with a Magnaflow Competition Catback. By reducing backpressure and giving your Mustang GT or GT500 a free-flowing exhaust, you'll see great power and torque gains. In fact, our 2011 Project car has this same system with the off-road x-pipe, and was dyno tested with a peak gain of 19 RWHP and 18 ft-lb of torque. Plus, you'll set the stage for future mods.

Aggressive Musclecar Sound. Give your 2011-2012 Mustang GT a deep, aggressive rumble that will make lesser cars clear a path at lights with a Magnaflow Competition Catback. This premium quality exhaust features free-flowing, straight-through mufflers that increase power and give your GT or GT500 an unmistakable musclecar sound.

Magnaflow Quality. Each piece is made from 3" mandrel bent stainless steel tubing for long life and a perfect fit. The straight-through mufflers end with brightly polished 4" stainless tips that exit in the stock locations for impressive styling.

Application. Made to be a direct bolt on, this catback will bolt straight up to the factory Mid-Pipe without any extra modifications required on your 2011 or 2012 Mustang GT or GT500 to give it the deepest, most aggressive sound possible.

Catback Exhaust Specifications
Piping Material: Stainless Steel Tip Material : Polished Stainless Steel
Piping Size: 3" Tip Size: 4"
Muffler Type: Straight-through Fitment: 2011-2012 GT or GT500 Mustangs

Installation Time:

(approx) 2 Hours

Difficulty Level:

Simple installation for anyone.

What's in the box?

  • (2) Muffler assemblies/li>
  • (2) Over axle pipes
  • (4) Clamps

What's in the box?

  • (2) Muffler assemblies/li>
  • (2) Over axle pipes
  • (4) Clamps
  • GT 11, 12
  • GT500 11, 12
  • Boss 12

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