Exhaust› Catalytic Converters

Magnaflow

MagnaFlow 2005-2009 Audi A4 Quattro OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

$1,229.74

SKU: M001 51854

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Magnaflow OEM Grade Direct-Fit Catalytic Converter (Part Number 51854) is designed for 2005-2009 Audi A4 Quattro models, including the Cabriolet with the 3.2L engine. It is Federal EPA compliant and designed to be a direct replacement for the driver's side catalytic converter, ensuring easy installation and proper fitment. The converter features durable stainless-steel construction, mandrel-bent tubing, and precisely manufactured flared receivers. It is built to OEM Grade standards, matching the performance and quality of your vehicle’s original catalytic converter. Installation is designed to be direct-fit, eliminating the need for cutting or welding. Please note that this product is not legal for sale or installation in California, Colorado, or New York.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandMagnaflow
Part NumberM001 51854

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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