Catalytic Converter for Dodge Dart (2015-2016) 2.4L

Direct-Fit Catalytic Converter for 2015-2016 Dodge Dart

Direct-fit replacement: Restores factory exhaust flow dynamics and corrects catalytic efficiency failure codes on 2.4L Tigershark-equipped sedans.

The Stock Dart Catalyst Degradation

The factory front manifold converter on the Dart 2.4L operates under high thermal cycles and rich-to-lean transient fuel swings typical of the MultiAir electro-hydraulic valvetrain. Over time, internal washcoat sintering, carbon contamination, and severe thermal shock lead to ceramic substrate breakdown. This results in reduced exhaust velocity, downstream restriction, and persistent P0420 catalytic efficiency DTCs that trigger limp modes and fail state emissions testing.

The Engineering Solution

Constructed from corrosion-resistant tubular stainless steel, this assembly matches factory geometry to preserve backpressure balance. Internally, a high-efficiency ceramic honeycomb monolith coated with precious metal catalysts provides complete HC, CO, and NOx scrubbing to comply with OBD standards. Heavy-gauge precision laser-cut flanges and factory O2 sensor bung positioning prevent thermal warping, eliminate exhaust gas leaks, and maintain closed-loop air-fuel feedback accuracy without custom fabrication.

Technical Specifications

Compatibility

• 2015 Dodge Dart 2.4L L4 (All trims including GT, Limited, SXT)
• 2016 Dodge Dart 2.4L L4 (All trims including GT, Limited, SXT)

The Dodge Precision Caliber

Engineered to clear factory crossmembers and resolve recurring check engine lights, this manifold catalyst restores peak naturally aspirated throttle response and emissions compliance on the PF platform.