Exhaust› Exhaust Pipes, Systems and Components

Walker Exhaust

QF MUFFLER ASSY

$153.30

SKU: W00D 54378

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Walker Exhaust 54378 is a direct-fit exhaust muffler assembly. It features a stainless steel body and construction for durability. The muffler has a 2.1-inch inlet and a 2.25-inch outlet.

This muffler is designed as an OE-style replacement and is compatible with select 2001-2004 Nissan Pathfinder models and 2001-2003 Infiniti QX4 models.

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 54378

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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