Exhaust› Catalytic Converters

Magnaflow

MagnaFlow 2004-2009 Audi S4 OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

$1,089.05

SKU: M001 49918

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

Moderate — 2–4 hours

Description

This direct-fit catalytic converter is designed to keep the check engine light off and is Federal/EPA compliant. It features free-flowing mandrel-bent tubing and highly corrosion-resistant stainless steel construction for easy, DIY installation without cutting or welding. MagnaFlow utilizes 3D scanning during research and development to ensure a precise fit and function, replicating the original equipment design. The single laser fusion weld minimizes leak possibilities, and the compact, low-mass design enhances thermal efficiency.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandMagnaflow
Part NumberM001 49918

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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