aFe Cat-Back Exhaust System 4" Atlas Without Muffler/Tip EcoBoost 3.5L F-150 2011-2014



  • 4" Mandrel Bent Tubing
  • W/O Muffler
  • Increased HP/TQ Gains
  • Bolt-On Installation
MSRP $731.25
You save 20%

aFe Atlas 4" Cat-Back Exhaust System without a Muffler or Tip for 2011, 2012, 2013 and 2014 3.5L EcoBoost F150s.

Without the muffler, your aFe Atlas 4" Cat-Back Exhaust System will thrive from mandrel-bent tubing and smooth transitions leading to improved horsepower, torque and throttle response! Retain your 2011-2014 3.5L EcoBoost F150's exhaust tip and simply attached this brand-new system from the cat back. The necessary OE style bayonet hangers, band clamps and hardware are included for a straightforward installation without risk of leaks.

Features and Benefits:
- 4" Mandrel-Bent Aluminized Steel Tubing
- Increases Horsepower
- Includes Muffler Delete
- Non-Restrictive Transitions for Reduced Turbulence

*Does NOT include an exhaust tip.

A muffler delete means continuous 4" tubing carries exhaust gases to their exit with absolutely no restriction. The Atlas cat-back exhaust system uses all factory mounting locations providing stability, while the high-quality OE style flange and band clamps are used for a complete 360-degree sealing surface. The bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Installation Videos

Video Transcript

We’re here with this aFe Atlas cat-back exhaust, fitting your 2011 and 2014 3.5 liter EcoBoost F-150.

Everyone wants their truck to perform and sound great, and if you're looking to get the most noise and performance out of your F- 150, this aFe Atlas cat-back exhaust will do just that. Constructed of 4-inch aluminized mandrel bent tubing, it features a single-side exit tail pipe without a muffler or exhaust tip. This is a direct replacement for your factory exhaust and will make your truck perform and sound awesome. It can be found along with other parts for your F-150 at

Vehicle Fitment

This product will fit the following F-150 years:

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