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Mazda 3 Mufflers

This page brings together mufflers for the Mazda 3 covering model years 2004–2021, including individual mufflers and complete muffler assemblies in aluminized and stainless steel options. Choose your model year above and this page keeps only the mufflers that fit your Mazda 3. Each listing is matched to our vehicle fitment data before it appears here.

1 - 21 of 21 results

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Picture of Walker Exhaust Quiet-Flow SS Stainless Steel Muffler Assembly

Walker Exhaust Quiet-Flow SS Stainless Steel Muffler Assembly

13 reviews
Vehicle Specific
from $74
In Stock (10+)
Picture for manufacturer Walker Exhaust
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Best Seller Free Shipping
Picture of Walker Exhaust SoundFX Direct-Fit Replacement Muffler Series

Walker Exhaust SoundFX Direct-Fit Replacement Muffler Series

64 reviews
Vehicle Specific
from $23
In Stock (10+)
Picture for manufacturer Walker Exhaust
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Picture of AP Exhaust Muffler Welded Assembly

AP Exhaust Muffler Welded Assembly

66 reviews
Vehicle Specific
from $71
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of Walker Exhaust Quiet-Flow SS Stainless Steel Muffler Series

Walker Exhaust Quiet-Flow SS Stainless Steel Muffler Series

26 reviews
Vehicle Specific
from $37
In Stock (10+)
Picture for manufacturer Walker Exhaust
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Picture of AP Exhaust Muffler Assembly

AP Exhaust Muffler Assembly

78 reviews
Vehicle Specific
from $75
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of AP Exhaust 40023 Universal Welded Muffler Assembly

AP Exhaust 40023 Universal Welded Muffler Assembly

28 reviews
Part: 40023
Vehicle Specific
$107.82
4 left at this price
Picture for manufacturer AP Exhaust
Free Shipping
Picture of AP Exhaust MSL Maximum Direct Fit Muffler

AP Exhaust MSL Maximum Direct Fit Muffler

44 reviews
Vehicle Specific
from $35
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of AP Exhaust Welded Assembly Muffler

AP Exhaust Welded Assembly Muffler

10 reviews
Vehicle Specific
from $48
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of AP Exhaust MSL Maximum Direct Fit Muffler Oval Aluminized Steel

AP Exhaust MSL Maximum Direct Fit Muffler Oval Aluminized Steel

30 reviews
Vehicle Specific
from $37
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of Bosal Exhaust Muffler Assembly

Bosal Exhaust Muffler Assembly

58 reviews
Vehicle Specific
from $88
In Stock (10+)
Picture for manufacturer Bosal
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Picture of AP Exhaust Challenge Series Aluminized Steel Oval Muffler

AP Exhaust Challenge Series Aluminized Steel Oval Muffler

34 reviews
Vehicle Specific
from $35
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of MBRP Slip-On Utility Muffler

MBRP Slip-On Utility Muffler

21 reviews
Vehicle Specific
from $200
In Stock (10+)
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Picture of AP Exhaust Direct Fit Welded Muffler Assembly

AP Exhaust Direct Fit Welded Muffler Assembly

34 reviews
Vehicle Specific
from $112
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of AP Exhaust Challenge Muffler

AP Exhaust Challenge Muffler

65 reviews
Vehicle Specific
from $66
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of AP Exhaust Challenge Series Welded Muffler Assembly

AP Exhaust Challenge Series Welded Muffler Assembly

26 reviews
Vehicle Specific
from $75
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of AP Exhaust 30102 Exhaust Muffler Aluminized Steel

AP Exhaust 30102 Exhaust Muffler Aluminized Steel

10 reviews
Part: 30102
Vehicle Specific
$92.69
1 left at this price
Picture for manufacturer AP Exhaust
Free Shipping
Picture of AP Exhaust 7017 Direct-Fit OE Replacement Exhaust Muffler Assembly

AP Exhaust 7017 Direct-Fit OE Replacement Exhaust Muffler Assembly

45 reviews
Part: 7017
Vehicle Specific
$113.90
2 left at this price
Picture for manufacturer AP Exhaust
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Picture of Walker Exhaust Direct Fit Resonator and Pipe Assembly Inlet/Outlet

Walker Exhaust Direct Fit Resonator and Pipe Assembly Inlet/Outlet

20 reviews
Vehicle Specific
from $77
4 left at this price
Picture for manufacturer Walker Exhaust
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Picture of AP Exhaust 7561 Aluminized Steel Muffler Welded Assembly OE Replacement

AP Exhaust 7561 Aluminized Steel Muffler Welded Assembly OE Replacement

26 reviews
Part: 7561
Vehicle Specific
$63.58
1 left at this price
Picture for manufacturer AP Exhaust
Free Shipping
Picture of AP Exhaust 2082 Challenge Series Direct-Fit OE Replacement Muffler

AP Exhaust 2082 Challenge Series Direct-Fit OE Replacement Muffler

65 reviews
Part: 2082
Vehicle Specific
$97.64
1 left at this price
Picture for manufacturer AP Exhaust
Free Shipping
Picture of AP Exhaust 2403 Challenge LTW Direct-Fit Aluminized Steel Replacement Muffler

AP Exhaust 2403 Challenge LTW Direct-Fit Aluminized Steel Replacement Muffler

57 reviews
Part: 2403
Vehicle Specific
$76.98
2 left at this price
Picture for manufacturer AP Exhaust

What's here for your Mazda 3

  • Exhaust Muffler — direct-fit and OE replacement units in aluminized and stainless steel
  • Exhaust Muffler Assembly — complete assemblies for straightforward swap-out installation

The widest selection here comes from AP Exhaust, Walker Exhaust, MBRP, and Borla, covering a broad range of fitment styles and materials across the 2004–2021 model years. Other categories Mazda 3 owners shop for: Mazda 3 Springs and Suspension Parts, Mazda 3 Shocks and Struts and Mazda 3 Brake Rotors and Drums, or browse all Mazda 3 parts and accessories.