MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 51578 for Chevy Silverado and GMC Sierra

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.