2004 Acura MDX Exhaust Mufflers
Keep Your 2004 Acura MDX 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 Acura MDX 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 Acura MDX Exhaust Muffler at Advance Auto Parts is around $202.79, with a range that starts at $131.99 and goes up to $242.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (OD) 5.875" Outlet (OD), Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (ID) 5.875" Outlet (OD), and Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) start at just $131.99 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 Exhaust Heat Shields and Exhaust Manifold and Headers. At Advance Auto Parts, we’re here to help you keep your 2004 Acura MDX in peak condition, inside and out.
Find Your Specific 2004 Acura MDX Exhaust Mufflers
Looking for the perfect Exhaust Muffler for your 2004 Acura MDX? You’re in the right place. Below, you’ll find links to various types of Exhaust Mufflers that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Exhaust Mufflers, ensuring durability and a precise fit for your Acura MDX. Whether you’re driving a 2004 model or another popular model year like
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019, and
2020, we’ve got you covered. Purchasing Exhaust Mufflers from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Exhaust Mufflers that fit your vehicle.
Essential 2004 Acura MDX Exhaust Mufflers
BRExhaust – Exhaust Muffler Assembly (Part No.163-039)
from
$242.99
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.
Product Features:
See More
Product Features:
- Based on the original OEM design for a guaranteed perfect fit
- No welds inside the silencer
- Easy installation
- Aluminized steel construction for maximum durability
- Constructed to reduce flex and withstand vehicle vibration
- External drain hole extends muffler life by allowing moisture to escape
- Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Outlet (ID) (Part No.56265)
from
$236.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (OD) 5.875" Outlet (OD) (Part No.53645)
from
$196.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) (Part No.56180)
from
$131.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
BRExhaust – Exhaust Muffler Assembly (Part No.163-041)
from
$237.99
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.
Product Features:
See More
Product Features:
- Based on the original OEM design for a guaranteed perfect fit
- No welds inside the silencer
- Easy installation
- Aluminized steel construction for maximum durability
- Constructed to reduce flex and withstand vehicle vibration
- External drain hole extends muffler life by allowing moisture to escape
- Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly, 2" Inlet (ID) 2.25" Outlet (OD) (Part No.55595)
from
$162.99
Combining the only broad-market stainless-steel body construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.
Product Features:
See More
Product Features:
- CORROSION RESISTANT STAINLESS STEEL : The only broad-market muffler body 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/or 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
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (ID) 5.875" Outlet (OD) (Part No.53620)
from
$203.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler, 2" Inlet (ID) 2" Inlet (OD) 2" Outlet (OD) (Part No.22058)
from
$375.99
Combining the only broad-market stainless-steel body construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.
Product Features:
See More
Product Features:
- CORROSION RESISTANT STAINLESS STEEL : The only broad-market muffler body 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/or 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
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) (Part No.55469)
from
$206.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler (Part No.22696)
from
$97.99
The only broad-market muffler with 100% stainless-steel construction, Walker Quiet-Flow SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
Product Features:
See More
Product Features:
- CORROSION RESISTANT STAINLESS STEELá:áThe only broad-marketámuffler with 100% stainless-steeláconstruction that delivers longer life versus aluminized mufflersáwhileáanáinternal 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 fabricationáand/or 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 weldsáprovideástability and longer service life
- PREMIUM ACOUSTIC CONTROLá: 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 VALIDATEDá: Acoustic and flow tested for qualityáOE-style soundáyou can count on
Popular 2004 Acura MDX Exhaust Mufflers Categories
Most Popular Mufflers for 2004 Acura MDXes
Enhance your 2004 Acura MDX with one of the 5 Mufflers we have in stock, starting at just $131.99.
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (OD) 5.875" Outlet (OD) (Part No.53645)
from
$196.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (ID) 5.875" Outlet (OD) (Part No.53620)
from
$203.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
BRExhaust – Exhaust Muffler Assembly (Part No.163-039)
from
$242.99
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.
Product Features:
See More
Product Features:
- Based on the original OEM design for a guaranteed perfect fit
- No welds inside the silencer
- Easy installation
- Aluminized steel construction for maximum durability
- Constructed to reduce flex and withstand vehicle vibration
- External drain hole extends muffler life by allowing moisture to escape
- Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
BRExhaust – Exhaust Muffler Assembly (Part No.163-041)
from
$237.99
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.
Product Features:
See More
Product Features:
- Based on the original OEM design for a guaranteed perfect fit
- No welds inside the silencer
- Easy installation
- Aluminized steel construction for maximum durability
- Constructed to reduce flex and withstand vehicle vibration
- External drain hole extends muffler life by allowing moisture to escape
- Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) (Part No.56180)
from
$131.99
Product Features:
See More
- CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body 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.
FAQs for 2004 Acura MDX Exhaust Mufflers
What are the best-selling Exhaust Mufflers for 2004 Acura MDXes?
Out of 5 Exhaust Mufflers that fit 2004 Acura MDXes, the following parts are the top sellers:
- Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (OD) 5.875" Outlet (OD) (20200877) – $196.99
- Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (ID) 5.875" Outlet (OD) (20200864) – $203.99
- Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) (20200862) – $131.99
What’s the price range for 2004 Acura MDX Exhaust Mufflers?
The prices of Exhaust Mufflers for the 2004 Acura MDX range from $131.99 up to $242.99 for the most premium parts.
What is the average price of an Exhaust Muffler for a 2004 Acura MDX?
The average price for Exhaust Mufflers for the 2004 Acura MDX is $202.79. 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 Acura MDX model years?
What are the cheapest Exhaust Mufflers for my 2004 Acura MDX?
The cheapest 2004 Acura MDX Exhaust Mufflers we carry are:
- Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) (20200862) – $131.99
- Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (OD) 5.875" Outlet (OD) (20200877) – $196.99
- Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 1.75" Inlet (ID) 5.875" Outlet (OD) (20200864) – $203.99
- Exhaust Muffler Assembly (11350563) – $237.99
- Exhaust Muffler Assembly (11350618) – $242.99
Does Advance Auto Parts sell Exhaust Mufflers for any other 2004 Acura models?
Yes. We stock Exhaust Mufflers for 2 other popular 2004 Acura models. Some of the most popular are 2004 TL Exhaust Mufflers, 2004 TSX Exhaust Mufflers, and 2004 RSX Exhaust Mufflers.
What types of Exhaust Mufflers do you sell for my 2004 Acura MDX?
We currently have just 1 Exhaust Muffler in stock for a 2004 Acura MDX, and as of 11/2/25, it is a Muffler.
Can I get help with 2004 Acura MDX Exhaust Muffler orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Acura Exhaust Mufflers and more.
What is your return policy for Acura MDX Exhaust Mufflers?
Advance Auto Parts keeps returns simple. For new Acura MDX Exhaust Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.