Exhaust› Catalytic Converters

Magnaflow

CONV DF 2015 C400 V6 3 OEM UNDERBOD

$958.84

SKU: M001 21-681

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

Moderate — 2–4 hours

Description

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-681. Features free-flowing, mandrel-bent tubing and corrosion-resistant stainless steel construction. Designed for direct, no-cut/no-weld installation. Uses 3D scanning for OE-like fitment. Single laser fusion weld reduces leaks; compact, low-mass design enhances thermal efficiency. Interchanges with OE parts 276 140 94 13 and 276 140 97 13. Meets/exceeds Federal emissions requirements for OBDII Federally registered vehicles with California or Federal/EPA Emission systems. Not legal for sale or installation in California, Colorado, or New York.

Fitment

Fitment Guaranteed

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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 21-681

Videos

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
2011-2014 F150 5.0L Magnaflow Direct Fit Federal Catalytic Converter Assembly Install

2011-2014 F150 5.0L Magnaflow Direct Fit Federal Catalytic Converter Assembly Install
How to Choose a Catalytic Converter by Magnaflow - SummitRacing.com

How to Choose a Catalytic Converter by Magnaflow - SummitRacing.com
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
Magnaflow Catalytic Converter Features

Magnaflow Catalytic Converter Features
Magnaflow Catalytic Converters - 49 State Legal Review - SEMA 2013

Magnaflow Catalytic Converters - 49 State Legal Review - SEMA 2013

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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