Sale

Exhaust› Catalytic Converters

Magnaflow

MagnaFlow 2004 Jeep Grand Cherokee HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

$786.52 $744.00 Save $42.52

SKU: M001 23178

In Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The MagnaFlow 23178 HM Grade Direct-Fit Catalytic Converter is engineered specifically for the 2004 Jeep Grand Cherokee, ensuring a precise fit and optimal performance. Constructed from high-quality stainless steel, this catalytic converter features a ceramic substrate designed to meet or exceed EPA emissions standards. It has an overall length of 30 inches and uses bolt-on inlet attachments for straightforward installation. This part is a direct replacement for your original equipment. Ensure compliance and performance with this direct-fit catalytic converter.

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 23178

Videos

What I wish I knew before buying Magnaflow

What I wish I knew before buying Magnaflow
Flowmaster VS Borla VS Magnaflow Explained

Flowmaster VS Borla VS Magnaflow Explained
New Magnaflow 23226 Catalytic Converter on my 96 XJ

New Magnaflow 23226 Catalytic Converter on my 96 XJ
MAGNAFLOW PERFORMANCE EXHAUST INSTALLATION (1993-1998 JEEP GRAND CHEROKEE)

MAGNAFLOW PERFORMANCE EXHAUST INSTALLATION (1993-1998 JEEP GRAND CHEROKEE)
FLOWMASTER SUPER 44 MUFFLER & MAGNAFLOW CATALYTIC CONVERTER (2001 JEEP GRAND CHEROKEE)

FLOWMASTER SUPER 44 MUFFLER & MAGNAFLOW CATALYTIC CONVERTER (2001 JEEP GRAND CHEROKEE)
Magnaflow Catalytic Converter Review

Magnaflow Catalytic Converter Review
HOW TO: Jeep Grand Cherokee Cat-Back Exhaust Installation (2005-2010 WK)

HOW TO: Jeep Grand Cherokee Cat-Back Exhaust Installation (2005-2010 WK)

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.

View Full Return Policy