Exhaust› Catalytic Converters

Walker Exhaust

ULTRA CATALYTIC CONVERTER

$1,054.52

SKU: W00D 53671

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Walker Exhaust Ultra EPA Direct-Fit Catalytic Converter, MPN 53671, is designed to meet EPA emissions standards. It features a durable stainless-steel body and aluminized pipe. This direct-fit unit ensures a straightforward installation, often requiring no cutting, welding, or bending. It is specifically compatible with Ford F-150 and Expedition models from 1997-2003 with 4.6L and 5.4L V8 engines.

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

BrandWalker Exhaust
Part NumberW00D 53671

Videos

Walker® CalCat® and Ultra® Direct-Fit Catalytic Converters

Walker® CalCat® and Ultra® Direct-Fit Catalytic Converters
Walker Emissions Control | How to Install the 16581 Ultra Direct-Fit Catalytic Converter

Walker Emissions Control | How to Install the 16581 Ultra Direct-Fit Catalytic Converter
Walker® Ultra® Catalytic Converters

Walker® Ultra® Catalytic Converters
Direct Fit Catalytic Converter Installation

Direct Fit Catalytic Converter Installation

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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