Cat Back Exhaust for Dodge Challenger (2009-2014) 5.7L

High-Flow Direct-Fit Cat-Back Exhaust for 2009-2014 Dodge Challenger

What it Does: The Cat-Back Exhaust System replaces the restrictive factory exhaust piping and sound-deadening mufflers on the 2009-2014 Challenger to eliminate exhaust backpressure and restore natural exhaust gas velocity.

The Stock Dodge Challenger Exhaust Restriction and Resonator Choke

The factory exhaust on the LC platform utilizes crimped, crush-bent tubing coupled with heavy, baffled center resonators and restrictive multi-chambered mufflers. While effective at dampening engine noise to passenger-car targets, this stock layout induces parasitic exhaust backpressure. This disrupts post-combustion cylinder scavenging on the 5.7L HEMI Eagle, trapping residual exhaust heat in the cylinder heads and blunting throttle response across the midrange power band.

The Engineering Solution

This direct-replacement cat-back system routes exhaust gases through uniform, mandrel-bent aluminized steel piping coated with manganese for sustained thermal and oxidation resistance. Eliminating restrictive internal baffles in favor of free-flowing straight-through muffler internals maximizes laminar gas velocity and improves pulse scavenging. Integrated pre-welded hangers mate directly with factory rubber isolators, ensuring exact bumper-valence tip alignment without requiring cutting, heating, or custom fabrication.

Technical Specifications

Compatibility

• 2009-2014 Dodge Challenger R/T 5.7L V8
• 2012-2014 Dodge Challenger R/T Classic 5.7L V8
• 2014 Dodge Challenger R/T Shaker 5.7L V8

Frequently Asked Questions

Does this fit the LC Challenger?
Yes, this is a direct fit for the 2009-2014 Dodge Challenger equipped with the 5.7L HEMI Eagle engine.

Will this cat-back system trigger a Check Engine Light (CEL)?
No, because this assembly bolts downstream of all factory catalytic converters and heated oxygen sensors, OBD-II emissions readiness monitors remain fully unaffected.

The Dodge Muscle Caliber

High-displacement pushrod V8 platforms demand unrestricted thermal evacuation to perform under load. This system provides the low-restriction acoustic depth and gas scavenging required for true street-strip muscle durability.