Magnaflow 21-578 Direct-Fit Catalytic Converter for 12-19 Jeep Grand Cherokee
Direct-Fit Catalytic Converter Design: Engineered as a vehicle-specific replacement for simplified installation and factory-style fitment.
Emissions System Restoration: Helps restore proper exhaust treatment and emissions control system functionality.
Mandrel-Bent Exhaust Construction: Designed to promote efficient exhaust flow while maintaining OEM-level performance characteristics.
Durable Stainless Steel Build: Constructed from corrosion-resistant stainless steel for long-lasting durability and reliability.
Federal EPA-Compliant Design: Manufactured to meet applicable federal emissions requirements for designated vehicle applications.
CARB Notice
- Legal in California, or other states adopting California emissions standards, only for racing vehicles that may never be used, registered or licensed for use, upon a highway. Can not be shipped to California residents.
Restore exhaust efficiency and emissions performance with the MagnaFlow Direct-Fit Catalytic Converter. Designed for select 2012–2019 Jeep Grand Cherokee applications, this premium replacement converter offers an OE-style solution to repair a damaged, worn, or restricted factory catalytic converter. Its direct-fit design allows for straightforward installation while maintaining the fit and functionality expected from a high-quality emissions component.
Constructed from durable stainless steel, the converter is engineered to withstand years of exposure to heat, moisture, road debris, and daily driving conditions. Precision manufacturing and vehicle-specific fitment help ensure proper integration with the factory exhaust system, while the catalytic converter core supports efficient emissions control and exhaust system performance. Whether replacing a failed converter or addressing emissions-related repairs, the MagnaFlow Direct-Fit Catalytic Converter helps restore dependable operation, maintain drivability, and keep your Grand Cherokee performing at its best.
Replaces OE parts 5181 677AI and 5181 677AC.
- Catalytic Converter
- Hardware
- Shipping Weight: 10lb
- Shipping Dimensions: 48in x 22in x 8in (L x W x H)
Jeep Grand Cherokee (WK2)
- 2019 Jeep Grand Cherokee (WK2)
- 2018 Jeep Grand Cherokee (WK2)
- 2017 Jeep Grand Cherokee (WK2)
- 2016 Jeep Grand Cherokee (WK2)
- 2015 Jeep Grand Cherokee (WK2)
- 2014 Jeep Grand Cherokee (WK2)
- 2013 Jeep Grand Cherokee (WK2)
- 2012 Jeep Grand Cherokee (WK2)
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