MagnaFlow California Grade Front Catalytic Converter - Nissan Altima 2.4L 1998-2001 - 452871

MagnaFlow's California Grade converter is a CARB compliant direct-fit replacement for the front converter and installs in the factory location without cutting or welding. The compact spun stainless body measures 10.75 in overall over a ceramic substrate, built from 16 gauge 409 stainless steel tubing with 308 stainless steel MIG welds. Flange inlet and outlet connections carry no oxygen sensor ports, and a crush ring gasket with three bolts and three nuts is included. CARB Executive Order D-193-180 makes it legal in all 50 states.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy