aFe 49-03041NM Atlas 4" Aluminized Cat-Back Exhaust (No Muffler/No Tip) for Ford

Vehicle Fitment

• 2011-2014 Ford F-150 (V6 3.5L EcoBoost)

Features

• Atlas Series 4" aluminized steel cat-back exhaust system with no muffler and no tip
• Mandrel-bent 4" tubing for smooth exhaust flow and increased performance
• Muffler-delete design for a raw, aggressive race-inspired exhaust note
• OE-style bayonet hangers and band clamps for stable, leak-free fitment
• Direct bolt-on installation using factory mounting locations - no cutting/modifications
• Smooth transition bends reduce turbulence and help improve horsepower and torque
• Designed to lower exhaust backpressure compared with stock system
• Compatible with 145", 157", and 163" wheelbase models

Specifications

• Brand: aFe Power
• Part Number: 49-03041NM
• Series: Atlas Aluminized Steel Cat-Back Exhaust
• Material: Mandrel-bent aluminized steel
• Piping Diameter: 4"
• Exhaust Type: Cat-back (no muffler, no tip)
• Exit Style: Passenger-side rear
• Installation: Direct bolt-on - uses factory hangers
• Warranty: Manufacturer limited warranty
• Emissions: EPA (Federal) compliant; CARB EO not included/required in many regions

Included Components

• 1x Atlas 4" aluminized steel cat-back exhaust assembly (no muffler/no tip)
• OE-style bayonet hangers
• Band clamps and flange hardware

Product Description

The aFe Power 49-03041NM Atlas 4" Aluminized Steel Cat-Back Exhaust System is a performance exhaust upgrade designed exclusively for **2011-2014 Ford F-150 trucks equipped with the 3.5 L EcoBoost V6 engine**. This system uses mandrel-bent 4" aluminized steel tubing and eliminates the factory muffler and tip to deliver unrestricted exhaust flow and a raw, aggressive race-inspired exhaust note. The muffler-delete design allows the engine to breathe more freely, lowering backpressure and enhancing throttle response and performance throughout the rev range.

Installation is straightforward with OE-style bayonet hangers and included band clamps - no cutting or modifications are required, and the system uses factory mounting locations for a secure, leak-free fit. Smooth transition bends help reduce turbulence and improve horsepower and torque potential, while compatibility with multiple wheelbase configurations (145", 157", and 163") ensures a broad fitment range within the 2011-2014 EcoBoost lineup. Although this version comes without a tip or muffler, it pairs well with optional tips or resonators if a more refined tone is desired.