My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

AP Exhaust 700056 MSL Maximum Direct-Fit Muffler

(Cadillac DeVille 1979-84, Fleetwood 1979-86, Brougham 1987-90, Commercial Chassis 1980-82; Chevrolet Impala 1981-85, Caprice 1981-90 + 11 more models)

Manufacturer

Part Number

700056
Sale Price

$37.38

2 left at this price

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The AP Exhaust 700056 is a direct-fit replacement muffler from the MSL Maximum series, designed for professional installers seeking OE-quality performance and sound control. This oval-body muffler features 2.25-inch inlet and outlet diameters, providing an ideal balance of exhaust flow and back-pressure management.

Key Specifications:

  • 18-inch body length with 22.5-inch overall length
  • Oval body dimensions: 4.06 inches height x 10.5 inches width
  • Offset-to-offset inlet/outlet configuration
  • Constructed from 100% aluminized steel for extended durability

Professional-Grade Features:

  • Engineered to perform like OE for maximum sound control and back-pressure performance
  • Thick expandable necks allow for easy sizing during installation
  • Direct-fit design with welded brackets to reduce installation time
  • Patented single cartridge muffler design for enhanced performance

AP Exhaust Technologies has been manufacturing quality exhaust components since 1927, utilizing advanced automation and quality control processes to ensure consistent, reliable performance. This muffler is designed to deliver quiet operation without sacrificing exhaust efficiency, making it an excellent choice for stock replacement applications.

Products specifications

Fits

Cadillac DeVille 1979-84, Fleetwood 1979-86, Brougham 1987-90, Commercial Chassis 1980-82; Chevrolet Impala 1981-85, Caprice 1981-90; Toyota Land Cruiser 1998-2007; Buick LeSabre 1979-90, Electra 1979-89, Estate Wagon 1979-83 + 7 more models

Body Length

18

Outlet Location

Left Center

Body Width

10.5

Outlet Type

Pipe

Body Height

4.06

Muffler Type

Baffled

Inlet Location

Right Center

Series

MSL

Inlet Type

Pipe

Body Material

Aluminized steel

Sound Level

OE comparable

Inlet Quantity

1

Tunable

No

Overall Length

22.5

Heat Shield Attached

No

Outlet Quantity

1

Inlet Inside Diameter

2.25

Grade Type

Regular

Muffler Configuration

O/OO

Outlet Inside Diameter

2.25

Shape

Oval

QUICK AND EASY

Great Website!!

Not enough product's information to identify the correct item to purchase.

Fast service and the cheapest price on the web. My item arrived on time and in good shape. Order Number: 11517<br>

Please indicate where your company is located to help calculate shipping time, thanks

Super easy love it

Had the hard to find part I was looking for in stock. Ordered it late saturday night, first thing monday morning it was shipped out! Couldnt of asked for more!

Checking out through Amazon made me feel at ease when shopping through a new site, that was an awesome an unexpected convenience and I've searched the web for this part and hadn't purchased because I couldn't trust them. Amazon checkout is awesome!

easy to find site

Shipping seems a bit high even with the discount

Excellent service with the actual stock on hand, shipment was made the next day and a tracking number was provided. I have tried 2 other online supply stores which don't know what they have in stock.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy