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Chevrolet K20 Mufflers

This page brings together mufflers for the Chevrolet K20, covering model years 1961–1986. The range includes individual mufflers and complete muffler assemblies in styles spanning OE replacement and performance designs. Pick your Chevrolet K20's year above to narrow the list to mufflers with confirmed fitment. Every part shown is checked against our vehicle data.

1 - 21 of 21 results

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Picture of Ansa Exhaust Muffler Aluminized Steel OE Replacement

Ansa Exhaust Muffler Aluminized Steel OE Replacement

55 reviews
Vehicle Specific
from $46
In Stock (10+)
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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 $81
In Stock (10+)
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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+)
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Picture of Corsa Performance Muffler Upgrade Kit with RSC Technology

Corsa Performance Muffler Upgrade Kit with RSC Technology

24 reviews
Vehicle Specific
from $571
In Stock (10)
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Picture of Walker Exhaust DynoMax Super Turbo Performance Muffler

Walker Exhaust DynoMax Super Turbo Performance Muffler

50 reviews
Vehicle Specific
from $48
In Stock (10+)
Picture for manufacturer Walker Exhaust
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Picture of Flowmaster Super 40 Series Chambered Muffler

Flowmaster Super 40 Series Chambered Muffler

48 reviews
Vehicle Specific
from $137
In Stock (10+)
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Picture of AP Exhaust 7677 OE Replacement Muffler Assembly Aluminized Steel

AP Exhaust 7677 OE Replacement Muffler Assembly Aluminized Steel

66 reviews
Part: 7677
Vehicle Specific
$94.46
4 left at this price
Picture for manufacturer AP Exhaust
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Picture of Flowmaster Series Chambered Muffler Aggressive Sound

Flowmaster Series Chambered Muffler Aggressive Sound

13 reviews
Vehicle Specific
from $102
In Stock (10+)
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Picture of AP Exhaust Muffler

AP Exhaust Muffler

64 reviews
Vehicle Specific
from $21
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of Flowmaster Super Series Chambered Muffler

Flowmaster Super Series Chambered Muffler

57 reviews
Vehicle Specific
from $137
In Stock (10+)
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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 Challenge Series Direct-Fit Replacement Muffler

AP Exhaust Challenge Series Direct-Fit Replacement Muffler

23 reviews
Vehicle Specific
from $49
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of Flowmaster Series Delta Flow Chambered Muffler

Flowmaster Series Delta Flow Chambered Muffler

11 reviews
Vehicle Specific
from $75
In Stock (10+)
Picture for manufacturer Flowmaster
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Picture of Flowmaster Series Chambered Muffler

Flowmaster Series Chambered Muffler

14 reviews
Vehicle Specific
from $250
In Stock (10+)
Picture for manufacturer Flowmaster
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Picture of Walker Exhaust DynoMax Super Turbo Muffler

Walker Exhaust DynoMax Super Turbo Muffler

28 reviews
Vehicle Specific
from $67
In Stock (10+)
Picture for manufacturer Walker Exhaust
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Picture of AP Exhaust MSL Maximum Aluminized Steel Direct-Fit Oval Muffler

AP Exhaust MSL Maximum Aluminized Steel Direct-Fit Oval Muffler

15 reviews
Vehicle Specific
from $49
In Stock (10+)
Picture for manufacturer AP Exhaust
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Picture of Bosal Exhaust Resonator

Bosal Exhaust Resonator

70 reviews
Vehicle Specific
from $97
In Stock (9)
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Picture of Flowmaster FlowFX Stainless Steel Performance Muffler

Flowmaster FlowFX Stainless Steel Performance Muffler

40 reviews
Vehicle Specific
from $100
In Stock (10+)
Picture for manufacturer Flowmaster
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Picture of MBRP Slip-On

MBRP Slip-On

18 reviews
Vehicle Specific
from $315
In Stock (10+)
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What's here for your Chevrolet K20

  • Exhaust mufflers — chambered, aluminized steel, stainless steel and direct-fit styles
  • Exhaust muffler assemblies — OE replacement and performance configurations

The widest selection here comes from Flowmaster, AP Exhaust, Walker Exhaust and MBRP, covering a broad span of Chevrolet K20 model years and configurations. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.