Built for the MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter for Ford E-350 Super Duty 5.4L & 6.8L (Part #4551599), this MagnaFlow Exhaust Products component delivers rugged durability, precise fitment, and trail-ready performance. Engineered for serious off-road use while maintaining everyday drivability.
Ensure your Ford E-350 Super Duty remains compliant with California emissions standards using the MagnaFlow 4551599 direct-fit catalytic converter. Designed specifically for model years 2009 through 2015, this converter features mandrel-bent tubing that promotes free-flowing exhaust, enhancing engine efficiency and performance. Crafted from durable stainless steel, it offers corrosion resistance and longevity, making it suitable for demanding environments. The unit is engineered with precision, utilizing advanced 3D scanning technology during development to guarantee a perfect fit that replicates the original equipment specifications. The laser fusion welds minimize the risk of leaks, ensuring reliable operation and compliance with strict emissions regulations.
Features:
- California Air Resources Board (CARB) Certified: Meets California emission standards for legal use in California and restricted states
- Durable Stainless Steel Construction: Provides corrosion resistance and long-lasting performance
- Mandrel-Bent Tubing: Promotes optimal exhaust flow for improved engine efficiency
- Precision Fit: Engineered with advanced 3D scanning to ensure compatibility and ease of installation
- Includes Clamp: Comes with necessary hardware for secure installation
Fitment:
Ford E-350 Super Duty 2009
Ford E-350 Super Duty 2010
Ford E-350 Super Duty 2011
Ford E-350 Super Duty 2012
Ford E-350 Super Duty 2013
Ford E-350 Super Duty 2014
Ford E-350 Super Duty 2015
Currently, we do not have an installation guide available for this product. Please contact support for assistance.
At KOVA OFFROAD, we aim to get your order to you as quickly as possible.
Most orders ship within 3-5 business days. For backordered items, please allow 2-3 weeks.
If you need your product urgently, our support team is ready to assist you.
Enjoy free shipping on orders over $200, and track your order in real-time once it’s on the way.
Returns & Exchanges
- All returns must be authorized by KOVA Offroad before an item is shipped back.
- Return eligibility and timeframes may vary by manufacturer and product.
- Products must generally be unused, uninstalled, in new and resellable condition, and returned with all original packaging, hardware, and documentation.
- Original shipping charges are non-refundable unless the return is the result of an error or a confirmed defective product.
- Customers may be responsible for return shipping and any manufacturer or supplier restocking fees that apply.
- Do not ship a return to KOVA Offroad or directly to a manufacturer without receiving return authorization and return instructions from us first.
Obtaining Return Authorization
- Contact KOVA Offroad at sales@kovaoffroad.com with your order number, product information, and reason for the return.
- We will provide the appropriate return instructions and shipping location after the return has been approved.
- Returns sent without authorization may be refused or delayed.
Warranty & Defective Products
- Product warranties are provided by the individual manufacturer and vary by brand and product.
- KOVA Offroad does not independently manufacture or warrant third-party products, but we will assist customers with the warranty claim process whenever possible.
- If you believe a product is defective, contact us with your order number, a description of the issue, and photos or video if applicable.
- Warranty approval, replacement, repair, shipping costs, and claim requirements are subject to the manufacturer’s warranty policy.
- Do not return a defective product until return or warranty instructions have been provided.
Order Cancellations & Changes
- Contact us as soon as possible if you need to change or cancel an order.
- Once an order has entered processing or shipped, cancellation may no longer be possible.
- Special-order, custom, made-to-order, clearance, or certain manufacturer-direct products may not be cancellable or returnable.
- Any applicable cancellation or restocking fees will be communicated before the return or cancellation is completed.
Fitment
- Customers are responsible for reviewing the listed vehicle fitment before purchasing.
- If a customer is unsure whether a product fits their vehicle, they should contact KOVA Offroad before ordering, and we will help verify compatibility.
Questions?
Call us at (800) 507-0672 or email sales@kovaoffroad.com.


