Exhaust› Catalytic Converters

Magnaflow

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4651878

$1,690.04

SKU: M001 4651878

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Magnaflow 4651878 is a California Direct-Fit Catalytic Converter designed for specific Cadillac, Chevrolet, and GMC models from 2004-2006. It is constructed from stainless steel and features a mandrel-bent tubing design. This part is CARB Compliant, making it legal in California and other CARB-restricted states, and comes with a lifetime warranty. Installation is direct-fit, requiring no cutting or welding.

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 4651878

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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