Exhaust› Catalytic Converters

Magnaflow

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5551665

$4,719.76

SKU: M001 5551665

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

Moderate — 2–4 hours

Description

CARB Compliant direct-fit catalytic converter with free-flowing, mandrel-bent stainless steel tubing. Features OE spun body design and single laser fusion weld for leak reduction. Compact, low-mass for thermal efficiency. Installation hardware included. Manufactured in the USA with a lifetime warranty. Designed to keep the check engine light off and meet California Air Resource Board (CARB) requirements.

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 5551665

Videos

How to Select the Correct Catalytic Converter - California, Colorado and New York | MagnaFlow

How to Select the Correct Catalytic Converter - California, Colorado and New York | MagnaFlow
How to Choose a Catalytic Converter by Magnaflow - SummitRacing.com

How to Choose a Catalytic Converter by Magnaflow - SummitRacing.com
What I wish I knew before buying Magnaflow

What I wish I knew before buying Magnaflow
Install a Magnaflow Catalytic Converter, Universal Fit

Install a Magnaflow Catalytic Converter, Universal Fit
Magnaflow 50 State Legal CAT Converter Install on 5.3L GM Pickup

Magnaflow 50 State Legal CAT Converter Install on 5.3L GM Pickup
2016-2018 Silverado & Sierra 1500 Magnaflow Direct-Fit Catalytic Converter Review

2016-2018 Silverado & Sierra 1500 Magnaflow Direct-Fit Catalytic Converter Review

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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