MagnaFlow HM Grade Manifold Cat 1999-2000 BMW Z3 / 323Ci Rear 50176

MagnaFlow 50176 is a direct-fit replacement catalytic converter for the 1999-2000 BMW Z3 / 323Ci 2.5L/2.8L. It is Federal/EPA compliant and installs at the stock mounting points. It is catalogued for the 1999-2000 BMW Z3 (Coupe, Roadster), 2000 BMW 323Ci (Base), 1999-2000 BMW 323i (Base) and 2000 BMW 328Ci (Base), plus 1 more model in the table below. This is the rear converter position, so match it to the unit you are replacing. It ships at roughly 9 lb.

Features

• Federal/EPA compliant; not for California, Colorado or New York
• Manifold and catalyst arrive as one assembly
• Rear position
• Fits 1999-2000 BMW Z3: Coupe, Roadster
• Fits 2000 BMW 323Ci: Base
• Fits 1999-2000 BMW 323i: Base
• 2 further models listed in the fitment table

What is in the box

• Gaskets and mounting hardware for installation

Specs

Construction

• Federal/EPA compliant for use in the 46 non-CARB states
• Manifold and catalyst in one bolt-on assembly
• Installs at the factory mounting points without cutting or welding
• Corrosion-resistant 16-gauge 409 stainless construction
• Spun body closed with a single laser-fusion weld to resist leaks
• Mandrel-bent inlet and outlet pipes keep factory flow
• 308 stainless MIG welds
• Shape developed from 3D scans of the original part

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended.

Fitment notes

Sold for federal (EPA) emissions use only; it cannot be sold or installed in California, Colorado or New York. Check the fitment table below against your vehicle, including trim and engine.

Fitment