aFe MACH Force-XP Axle-Back Exhaust System (49-42079) enhances sound and performance for 2015–2020 Dodge Challenger Hellcat V8 5.7L models. Built from 3" mandrel-bent 409 stainless steel tubing, this system delivers maximum durability, flow, and aggressive tone. It deletes the OE rear mufflers and uses factory-style hangers for a secure, direct-fit installation. Precision-designed using computer-aided engineering and 100% MIG-welded for strength, it’s engineered for high-tolerance performance with minimal restriction. Some cutting may be required—refer to the instruction sheet for installation details.
Key Features :
Constructed from 3" mandrel-bent 409 stainless steel for strength and flow
Deletes factory rear mufflers to produce an aggressive exhaust note
Uses factory-style hangers for a hassle-free installation
Designed using computer-aided technology for precise fitment
100% MIG-welded for race-proven durability
Enhances torque and horsepower output
Manufactured in the USA at aFe’s Corona, California facility
Technical Notes:
This system may require cutting of the stock exhaust pipes. Refer to the included instructions for fitment details.
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