MagnaFlow CARB-Grade Direct-Fit Catalytic Converter - BMW 323i 328i Z3 1999-2000 - Rear

MagnaFlow CARB-grade CARB-compliant direct-fit catalytic converter (452176) for the 1999-2000 BMW 323i, 328i and Z3. Spun-body mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; it bolts in with no cutting or welding, and the necessary gaskets and hardware are included. Meets or exceeds CARB requirements for legal installation in California and CARB 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