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Plymouth Duster Mufflers 


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Shop Plymouth Duster Mufflers by Brand


1 - 12 of 21
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Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 842446

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $142.00
$127.80


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 9424422

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $149.00
$134.10


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 942450

Outlet Diameter: 2.25"
Inlet Diameter: 2.25"
Retail: $172.00
$154.80


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $189.00
$170.10


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 42441

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $112.00
$100.80


Free Shipping!



Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $145.00
$130.50


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $112.00
$100.80


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 942440

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $149.00
$134.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $195.00
$175.50


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 942446

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $123.00
$110.70


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 8042441

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $134.00
$120.60


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $142.00
$127.80


Free Shipping!


Previous12Next

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

Flowmaster 42441 40 Series Chambered Muffler

FlowMaster Exhaust Muffler for 1970-1974 Plymouth Duster

Exhaust Muffler FlowMaster for 1970-1974 Plymouth Duster

Flowmaster 40 SeriesGäó Muffler For 1973 Plymouth Duster 340 05353F-EDE7

Exhaust Muffler FlowMaster for 1970 Plymouth Duster

40 Series™ Muffler for 1974 Plymouth Duster





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  • Mufflers(21)
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  • Stainless Steel (9)
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Outlet Diameter
  • 2.25" (21)


Plymouth Duster Mufflers 


Choose Your Vehicle:

Shop Plymouth Duster Mufflers by Year

Shop Plymouth Duster Mufflers by Brand

1 - 12 of 21
Sort by:




Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 842446

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $142.00
$127.80


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 9424422

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $149.00
$134.10


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 942450

Outlet Diameter: 2.25"
Inlet Diameter: 2.25"
Retail: $172.00
$154.80


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $189.00
$170.10


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 42441

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $112.00
$100.80


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $145.00
$130.50


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $112.00
$100.80


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 942440

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $149.00
$134.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $195.00
$175.50


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 942446

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Retail: $123.00
$110.70


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 8042441

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $134.00
$120.60


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $142.00
$127.80


Free Shipping!


Previous12Next

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

Flowmaster 42441 40 Series Chambered Muffler

FlowMaster Exhaust Muffler for 1970-1974 Plymouth Duster

Exhaust Muffler FlowMaster for 1970-1974 Plymouth Duster

Flowmaster 40 SeriesGäó Muffler For 1973 Plymouth Duster 340 05353F-EDE7

Exhaust Muffler FlowMaster for 1970 Plymouth Duster

40 Series™ Muffler for 1974 Plymouth Duster