Exhaust› Catalytic Converters

AP Exhaust Products

IMPALA/IMPALA LIMITED OBDII CATALYTIC CONVERTER DIRECT FIT

$659.42

SKU: A01W 771391

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The AP Exhaust Technologies 771391 is a direct fit catalytic converter designed for select Chevrolet Impala models from 2012-2014 and 2016. Constructed with a stainless steel body and ceramic substrate, it features 4-bolt welded inlet and 2-bolt welded outlet flanges for a direct connection to your exhaust system. This converter includes an O2 sensor port and an outlet gasket for a complete installation.
Show original supplier description
IMPALA/IMPALA LIMITED OBDII CATALYTIC CONVERTER DIRECT FIT
Vehicle Symptoms
  • Check engine light illuminated
  • Failed emissions test
  • Reduced fuel economy
  • Rotten egg smell from exhaust
  • Rattling noise from under vehicle
Diagnostic Codes
  • P0420 – Cat Sys Efficiency Below Threshold (B1)
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandAP Exhaust Products
Part NumberA01W 771391
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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