Check if this fits your car first

We can’t guarantee fitment or accept fitment returns without a vehicle selected.

Year

Make

Model

Trim

Engine

Select Year

Select Make

Select Model

Or call us at 888-477-2530 — we’ll help you out.

AP Exhaust Catalytic Converter 18171

Name: AP Exhaust Catalytic Converter 18171
Brand: AP Exhaust
SKU: 18171
Availability: OutOfStock
Rating: 4.9 (12847 reviews)

Part # 18171

Main Image

Click to expand

AP Exhaust Catalytic Converter 18171 - 1

For Shops & Fleets

Buy for your business and

start saving today.

Your Pro Price

$Members

Approved in minutes · No fees

AP Exhaust Catalytic Converter 18171

EPA Compliant

$000

••

Out of Stock

Estimated Delivery by calculating...

Calculating shipping time...

Ships to

Verified Fitment

Parts matched to your vehicle.

Quick Delivery

Fast shipping from trusted warehouses.

Simple Returns

30-day return policy.

Top Brands

OEM & aftermarket names you trust.

Millions of Parts

Maintenance items to complete assemblies.

Everyday Low Prices

Trusted since 2019 — quality at fair prices.

Vehicle Compatibility

No compatibility data available for this part.

Specifications

Brand: AP Exhaust

Part Number: 18171

Part Type: Exhaust Pipe

Condition: New

Body Length: 18.000 IN

Body Material: Steel

Grade Type: Standard Replacement

Hanger Included: No

Housing Material: Metal

Inlet Outside Diameter: 2.000 IN

Inlet Type: Pipe Connection

Length (Sealing Surface To End Of Connector): 25.6 in

Mounting Bracket Included: No

Mounting Type: Threaded

Outlet Inside Diameter: 2.500 IN

Outlet Type: Pipe Connection

Overall Length: 25.500 IN

Oxygen Sensor Type: Narrow-band heated

Sensor Type: Narrow-Band

Terminal Type: Pin

Thread Diameter (Oxygen Sensor): 18 mm

Wiring Harness Included: Yes

Wiring Harness Length: 23 IN

Automotive Color / Finish: Steel

Automotive Item Weight (Lbs): 0.330693 lb

Body Height: 4.250 IN

Body Width: 8.813 IN

Connector Gender: Female

Connector Shape: Rectangle

Finish: Aluminized

Heated (Oxygen Sensor): Yes

Hex Size (Oxygen Sensor): 22 mm

Inlet Location: Offset

Inlet Offset: 2.625 IN

Inlet Quantity: 1

Outlet Location: Center

Outlet Quantity: 1

Part Description: SoundFX Universal Muffler

Prop 65 Warning Label Required?: No

Reversible: No

Frequently Asked Questions

We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.

Is this EPA compliant?

Product Specifications

Brand

AP Exhaust

Part Type

Exhaust Pipe

Body Material

Steel

Hanger Included

Part Number

18171

Body Length

18.000 IN

Grade Type

Standard Replacement

Housing Material

Metal

Body Length18.000 IN

Body MaterialSteel

Grade TypeStandard Replacement

Hanger IncludedNo

Housing MaterialMetal

Inlet Outside Diameter2.000 IN

Inlet TypePipe Connection

Length (Sealing Surface To End Of Connector)25.6 in

Mounting Bracket IncludedNo

Mounting TypeThreaded

Outlet Inside Diameter2.500 IN

Outlet TypePipe Connection

Overall Length25.500 IN

Oxygen Sensor TypeNarrow-band heated

Sensor TypeNarrow-Band

Terminal TypePin

Thread Diameter (Oxygen Sensor)18 mm

Wiring Harness IncludedYes

Wiring Harness Length23 IN

Automotive Color / FinishSteel

Automotive Item Weight (Lbs)0.330693 lb

Body Height4.250 IN

Body Width8.813 IN

Connector GenderFemale

Connector ShapeRectangle

FinishAluminized

Heated (Oxygen Sensor)Yes

Hex Size (Oxygen Sensor)22 mm

Inlet LocationOffset

Inlet Offset2.625 IN

Inlet Quantity1

Outlet LocationCenter

Outlet Quantity1

Part DescriptionSoundFX Universal Muffler

Prop 65 Warning Label Required?No

ReversibleNo

ShapeOval

Terminal GenderFemale

Terminal Quantity4

Thread Size18

TunableNo

Universal Or Specific FitUniversal

Wire Quantity4

Tap to zoom

Part # 18171

AP Exhaust Catalytic Converter 18171

Brand AP ExhaustCondition NewExhaust Pipe24-mo warranty

Call for Price

888-477-2530

Our parts specialists are ready to help you find the best price.

Part #:18171

Call 888-477-2530 for Price

OE REPLACEMENT

AP Exhaust Catalytic Converter 18171

Part #:18171

Exhaust Pipe

Call for Price

888-477-2530

Our parts specialists are ready to help you find the best price.

Quantity:

Out of Stock

Shipping calculated at checkout · Est. arrival Fri, Aug 14 to Fri, Aug 14

Ships To:

Call 888-477-2530 for Price

Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Free Same Day ShippingWe ship all orders the same business day before cutoff

Product HighlightsBeta

Reading the catalog · checking interchanges · researching…

AP Exhaust Catalytic Converter 18171

Part # 18171

Main Image

Click to expand

Call for Price

888-477-2530

Our parts specialists are ready to help you find the best price.

Part #:18171

Call 888-477-2530 for Price

OE REPLACEMENT

AP Exhaust Catalytic Converter 18171

Part #:18171

Exhaust Pipe

Call for Price

888-477-2530

Our parts specialists are ready to help you find the best price.

Quantity:

Out of Stock

Shipping calculated at checkout · Est. arrival Fri, Aug 14 to Fri, Aug 14

Ships To:

Call 888-477-2530 for Price

Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Free Same Day ShippingWe ship all orders the same business day before cutoff

Federal Replacement Requirements: Federal law prohibits the removal or replacement of a properly functioning catalytic converter. This product is intended as a direct replacement for a failed, damaged, or missing OEM catalytic converter only.

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts

Check if this fits your car first

AP Exhaust Catalytic Converter 18171

AP Exhaust Catalytic Converter 18171

Vehicle Compatibility

Specifications

Frequently Asked Questions

Product Specifications

AP Exhaust Catalytic Converter 18171

AP Exhaust Catalytic Converter 18171

Key Features

AP Exhaust Catalytic Converter 18171

AP Exhaust Catalytic Converter 18171

Key Features

About This Exhaust Pipe

Key Features

Signs This Part Needs Replacement

AP Exhaust

Installation Guide

Tools Needed

Frequently Asked Questions