Do I need to cut or weld anything during installation?

No. This is a direct-fit converter that uses bolt-on connections. MagnaFlow includes flange gaskets and Torca AccuSeal clamps for a complete, weld-free installation. Proper hand tools are all you need.

What OE parts does this converter replace?

This MagnaFlow converter interchanges with Volkswagen OE part numbers 3C0 254 504 BX, 3C0 254 502 TX, and 3C0 254 503 PX. It is designed to match the factory fitment and emissions performance.

What makes the Torca AccuSeal clamps better than standard clamps?

Torca AccuSeal clamps apply a full 360-degree evenly distributed clamping force around the pipe. This prevents the pipe distortion that occurs with standard band clamps, resulting in a tighter seal and reduced chance of exhaust leaks.

Magnaflow 06-08 Volkswagen Passat 3.6L Direct Fit Converter

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Specifications

Brand: Magnaflow
Part #: 5411799
UPC: 888563106694

Magnaflow 06-08 Volkswagen Passat 3.6L Direct Fit Converter

Name: Magnaflow 06-08 Volkswagen Passat 3.6L Direct Fit Converter
Brand: Magnaflow
Price: 4474.00 USD
Availability: InStock

$4474.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2006-2008 Volkswagen Passat 3.6L. MagnaFlow California CARB-compliant direct-fit catalytic converter with included gaskets, clamps, and hardware.

Key Features

Fits 2006-2008 Volkswagen Passat 3.6L engines.
CARB-compliant: legal for sale and installation in all 50 states including California.
Direct-fit design with mandrel-bent tubing replicating OE geometry -- no cutting or welding.
Includes 2 flange gaskets and 4 Torca AccuSeal exhaust clamps for a complete installation.
16-gauge 409 stainless steel tubing with 308 stainless MIG welds.
Spun body design with single laser fusion weld reduces leak potential.

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Fits this vehicle

Volkswagen Passat 2006-2008

Moderate difficulty to install

Direct-fit with included gaskets and Torca clamps. No cutting or welding required. Lift or jack stands needed for access underneath the vehicle.

Product Details

When the check engine light comes on and a failing catalytic converter is the diagnosis on your 2006-2008 Volkswagen Passat 3.6L, MagnaFlow's direct-fit CARB-compliant converter (part #5411799) gets you back on the road legally in all 50 states -- including California and other CARB-regulated states.

CARB Compliant: Legal Everywhere

This is not a federal-only converter. MagnaFlow designed this unit to meet California Air Resources Board (CARB) requirements, which means it is legal for sale and installation in all 50 states, including California, Colorado, New York, and Maine. If you live in or need to pass emissions in a CARB state, this is the converter you want. Installation is permitted when the vehicle's Executive Order number and Engine Family Number match this converter's CARB Executive Order.

Direct-Fit, No Fabrication

MagnaFlow's metrology department uses 3D scanning during development to replicate the exact geometry of the original converter. That means the mandrel-bent tubing, the mounting points, and the overall dimensions match the factory part. No cutting, no welding -- bolt it in using the included hardware:

2 flange gaskets
4 Torca AccuSeal clamps -- full 360-degree clamping force that prevents pipe distortion

The Torca clamps alone are a meaningful upgrade over generic band clamps. They distribute clamping pressure evenly around the pipe, reducing the chance of exhaust leaks and eliminating the pipe deformation that can occur with cheaper clamp styles.

Built to Last

The converter body uses a spun design with a single laser fusion weld, which significantly reduces leak potential compared to multi-seam welded designs. The tubing is 16-gauge 409 stainless steel for corrosion resistance, and all welds are 308 stainless MIG welds. OE-sized barbed exhaust hangers in corrosion-resistant 410 stainless steel help reduce vibration and noise transmission into the cabin.