Freightliner Classic Mufflers

Your Freightliner Classic will be happy to know that the search for the right Mufflers you’ve been looking for is over! Advance Auto Parts has 2 different Mufflers for your vehicle, ready for shipping or in-store pick up. The best part is, our Freightliner Classic Mufflers start from as little as $103.99.

When it comes to your Freightliner Classic, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Mufflers brands so you can shop with complete confidence. Some of our top Mufflers brands are Walker. We’re sure you will get the right product to keep that Classic running for a long time.

We even have reviews of our OEM and aftermarket Mufflers products to help you buy with confidence. Hear from other customers via the 42 reviews on parts for your Freightliner Classic.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Mufflers for your Classic, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 3 Freightliner Mufflers

Walker – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance (Part No.22920)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance

from

$103.99
Walker offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a “one-stop” convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and componen

Product Features:
  • Manufactured from aluminized steel for durability
  • Designed to help ensure long service life
  • Engineered to reduce in-cab and exterior engine noise
  • Offered in a variety of styles, sizes and materials for your installation needs
  • An economical replacement for the original equipment part
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Walker – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance (Part No.22963)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance

from

$158.99
Mega-Flow performance mufflers combine Walker quality and engineering with cutting-edge technology, to deliver unparalleled performance and reduce backpressure without sacrificing acoustics. Walker is a “one-stop” convenience, offering complete engine-t

Product Features:
  • Manufactured from aluminized steel for durability
  • Straight-through performance design engineered for class 7 and 8 vehicles
  • Delivers as much as 30% back-pressure reduction without sacrificing acoustics
  • Offered in a variety of styles, sizes and materials for your installation needs
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Walker – Heavy Duty Muffler, Direct Replacement, No Fabrication Needed (Part No.22899)

Heavy Duty Muffler, Direct Replacement, No Fabrication Needed

from

$317.99
Walker® offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a “one-stop” convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and componen

Product Features:
  • Manufactured from aluminized steel for durability
  • Designed to help ensure long service life
  • Engineered to reduce in-cab and exterior engine noise
  • Offered in a variety of styles, sizes and materials for your installation needs
  • An economical replacement for the original equipment part
See More