2004 Cadillac Escalade EXT Exhaust Mufflers

Keep Your 2004 Cadillac Escalade EXT in Top Shape with Quality Exhaust Mufflers

Whether you’re repairing or upgrading your Exhaust Muffler, using high-quality parts is key to keeping your 2004 Cadillac Escalade EXT looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Mufflers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2004 Cadillac Escalade EXT Exhaust Muffler at Advance Auto Parts is around $134.99, with a range that starts at $94.99 and goes up to $174.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.625" Outlet (ID), SoundFX Muffler, Direct Replacement, No Fabrication Needed, and Exhaust Muffler Assembly start at just $94.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Exhaust Muffler, don’t forget to check out other key components like Catalytic Converters and Exhaust Manifold and Headers. At Advance Auto Parts, we’re here to help you keep your 2004 Cadillac Escalade EXT in peak condition, inside and out.

Essential 2004 Cadillac Escalade EXT Exhaust Mufflers

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID) (Part No.21684)

Quiet-Flow SS Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

from

$156.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and welding
  • BUILT TO LAST – Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL – OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED – Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18987)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$94.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Dynomax – Ultra Flo Exhaust Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval (Part No.17233)

Ultra Flo Exhaust Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval

from

$139.99
DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo Welded mufflers are backed by a Limited Warranty and limited Performance & Sound Guarantee.

Product Features:
  • Stainless steel construction for lifelong protection
  • 100% welded design for maximum durability
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
See More

BRExhaust – Exhaust Muffler Assembly (Part No.100-7179)

Exhaust Muffler Assembly

from

$174.99
This BRExhaust muffler assembly is constructed by one of the leading aftermarket suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on installation with no modifications required. The component is designed to offer corrosion protection in addition to optimal noise reduction and low backpressure. Built from 16-gauge steel tubing and fully aluminized, these mufflers feature an OE-style direct fit configuration compatible with your import or domestic vehicle-while the interior design of the muffler box ensures quiet performance.
See More

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.625" Outlet (ID) (Part No.21431)

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.625" Outlet (ID)

from

$129.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and welding
  • BUILT TO LAST – Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL – OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED – Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More

Most Popular Mufflers for 2004 Cadillac Escalade EXTs

Enhance your 2004 Cadillac Escalade EXT with one of the 4 Mufflers we have in stock, starting at just $94.99.

Dynomax – Ultra Flo Exhaust Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval (Part No.17233)

Ultra Flo Exhaust Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval

from

$139.99
DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo Welded mufflers are backed by a Limited Warranty and limited Performance & Sound Guarantee.

Product Features:
  • Stainless steel construction for lifelong protection
  • 100% welded design for maximum durability
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
See More

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.625" Outlet (ID) (Part No.21431)

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.625" Outlet (ID)

from

$129.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and welding
  • BUILT TO LAST – Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL – OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED – Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18987)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$94.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

BRExhaust – Exhaust Muffler Assembly (Part No.100-7179)

Exhaust Muffler Assembly

from

$174.99
This BRExhaust muffler assembly is constructed by one of the leading aftermarket suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on installation with no modifications required. The component is designed to offer corrosion protection in addition to optimal noise reduction and low backpressure. Built from 16-gauge steel tubing and fully aluminized, these mufflers feature an OE-style direct fit configuration compatible with your import or domestic vehicle-while the interior design of the muffler box ensures quiet performance.
See More

FAQs for 2004 Cadillac Escalade EXT Exhaust Mufflers

What are the best-selling Exhaust Mufflers for 2004 Cadillac Escalade EXTs?

Out of 4 Exhaust Mufflers that fit 2004 Cadillac Escalade EXTs, the following parts are the top sellers:

What’s the price range for 2004 Cadillac Escalade EXT Exhaust Mufflers?

The prices of Exhaust Mufflers for the 2004 Cadillac Escalade EXT range from $94.99 up to $174.99 for the most premium parts.

What is the average price of an Exhaust Muffler for a 2004 Cadillac Escalade EXT?

The average price for Exhaust Mufflers for the 2004 Cadillac Escalade EXT is $134.99. Keep in mind the variety of part types within our Exhaust Muffler category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Exhaust Mufflers for other Cadillac Escalade EXT model years?

Yes, we carry Exhaust Mufflers for 7 model years of Cadillac Escalade EXTs between 2002 and 2010. The following model years are the most popular for Exhaust Muffler purchases: 2010, 2009, 2008, 2007, 2006, 2005, 2003, and 2002.

What are the cheapest Exhaust Mufflers for my 2004 Cadillac Escalade EXT?

The cheapest 2004 Cadillac Escalade EXT Exhaust Mufflers we carry are:

Does Advance Auto Parts sell Exhaust Mufflers for any other 2004 Cadillac models?

Yes. We stock Exhaust Mufflers for 3 other popular 2004 Cadillac models. Some of the most popular are 2004 Escalade Exhaust Mufflers, 2004 Escalade ESV Exhaust Mufflers, 2004 CTS Exhaust Mufflers, and 2004 SRX Exhaust Mufflers.

What are the top-rated Exhaust Mufflers that fit the 2004 Cadillac Escalade EXT?

The one 2004 Cadillac Escalade EXT Exhaust Muffler we have in stock is the SoundFX Muffler, Direct Replacement, No Fabrication Needed. It costs $94.99.

What types of Exhaust Mufflers do you sell for my 2004 Cadillac Escalade EXT?

We currently have just 1 Exhaust Muffler in stock for a 2004 Cadillac Escalade EXT, and as of 11/2/25, it is a Muffler.

Can I get help with 2004 Cadillac Escalade EXT Exhaust Muffler orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Exhaust Mufflers and more.

What is your return policy for Cadillac Escalade EXT Exhaust Mufflers?

Advance Auto Parts keeps returns simple. For new Cadillac Escalade EXT Exhaust Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.