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1974 Plymouth Duster Exhaust Parts

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Exhaust Header Gasket Exhaust Manifold Gasket Set Exhaust Muffler

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1974 Plymouth Duster Exhaust Muffler 8 Cyl 5.9L Flowmaster

40 Series™ Muffler
2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
40 Series™ Muffler; 2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel;
40 Series(TM) Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Type: Reflection
- Outlet Position: Center
- Inlet Diameter: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- Inlet Type: Single Offset
- Body Length: 13.000 In.
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Diameter: 2.500 In.
- Mount Type: Uses New Hangers (not Included)
- Automotive Item Grade: High Performance
- California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
- Outlet Connection Type: Pipe
- California Proposition 65 Chemical Name 1: Nickel (metallic)
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: 40 Series
- Overall Length: 19.000 In.
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Position: Offset
- Outlet Type: Single Center Outlet
Features:
- 409 Stainless Steel
- Limited Lifetime Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- Excellent Street/Strip And Off Road Application
- No Internal Packing To Blowout
- The Original Two Chamber Design
- Premium Flowmaster Quality
The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

Additional Fitment Information:

Vehicle	Block	CC	Engine	Sub Model	CID
1974 - Plymouth Duster	V	-	8 Cyl 5.9L	360	360

2 In Stock

Holiday Special

$186.82 USD

$224.18 USD


Brand	Flowmaster
Part #	F138042441
Condition	New
Warehouse	B

1974 Plymouth Duster Exhaust Muffler 6 Cyl 3.2L Flowmaster

40 Series™ Muffler
2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
40 Series™ Muffler; 2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
40 Series(TM) Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Type: Reflection
- Outlet Position: Center
- Inlet Diameter: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Inlet Type: Single Offset
- Body Length: 13.000 In.
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Diameter: 2.500 In.
- Mount Type: Uses New Hangers (not Included)
- Automotive Item Grade: High Performance
- Outlet Connection Type: Pipe
- Muffler Series: 40 Series
- Overall Length: 19.000 In.
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Position: Offset
- Outlet Type: Single Center Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- Aggressive Exterior Exhaust Tone
- Noticeable Interior Resonance
- Excellent Street/Strip And Off Road Application
The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1974 - Plymouth Duster	L	3254	6 Cyl 3.2L	198

65 In Stock

Holiday Special

$150.65 USD

$180.78 USD


Brand	Flowmaster
Part #	F1342441
Condition	New
Warehouse	B

1974 Plymouth Duster Exhaust Muffler 6 Cyl 3.2L Flowmaster

2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
40 Series™ Muffler; 2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
40 Series™ Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Type: Reflection
- Outlet Position: Center
- Inlet Diameter: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Inlet Type: Single Offset
- Body Length: 13.000 In.
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Diameter: 2.500 In.
- Mount Type: Uses New Hangers (not Included)
- Automotive Item Grade: High Performance
- Outlet Connection Type: Pipe
- Muffler Series: 40 Series
- Overall Length: 19.000 In.
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Position: Offset
- Outlet Type: Single Center Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- Aggressive Exterior Exhaust Tone
- Noticeable Interior Resonance
- Excellent Street/Strip And Off Road Application
The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1974 - Plymouth Duster	L	3254	6 Cyl 3.2L	198

65 In Stock

Holiday Special

$150.65 USD

$180.78 USD


Brand	Flowmaster
Part #	F1342441
Condition	New
Warehouse	B

1974 Plymouth Duster Exhaust Muffler 6 Cyl 3.2L Flowmaster

2.25 Offset In/2.25 Center Out; Clamp On; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
FlowFX Muffler; 2.25 Offset In/2.25 Center Out; Clamp On; 409 Stainless Steel;
FlowFX Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 20.000 In.
- Muffler Type: Absorption
- Outlet Position: Center
- Sound Level: Moderate
- WARNING CA Proposition 65: Yes
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 1
- Body Length: 14.000 In.
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Clamp-on
- Muffler Outlet Diameter: 2.250 In.
- California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
- Outlet Connection Type: Clamp-on
- California Proposition 65 Chemical Name 1: Nickel (metallic)
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Body Width: 9.000 In.
- Muffler Series: Flow Fx
- Overall Length: 20.000 In.
- Inlet Inside Diameter: 2.250 In.
- Muffler Inlet Diameter: 2.250 In.
- Main Piping Diameter: 2.250 In.
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Shape: Oval
- Inlet Position: Offset
- Outlet Type: Single Outlet
Features:
- Not A Direct Fit
- Moderate Sound
- Straight Through Style
- Fully Welded Steel Case
Flowmasters FlowFX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the chambered muffler sound. The interior features a large 3.00-inch straight-through stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded bright 409 stainless steel construction with the FlowFX logo embossed on both sides of the case. The FlowFX line of mufflers is perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1974 - Plymouth Duster	L	3254	6 Cyl 3.2L	198

169 In Stock

Holiday Special

$90.35 USD

$108.42 USD


Brand	Flowmaster
Part #	F1371225
Condition	New
Warehouse	B

1974 Plymouth Duster Exhaust Muffler 8 Cyl 5.9L Flowmaster

2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
40 Series™ Muffler; 2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel;
40 Series™ Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Type: Reflection
- Outlet Position: Center
- Inlet Diameter: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- Inlet Type: Single Offset
- Body Length: 13.000 In.
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Diameter: 2.500 In.
- Mount Type: Uses New Hangers (not Included)
- Automotive Item Grade: High Performance
- California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
- Outlet Connection Type: Pipe
- California Proposition 65 Chemical Name 1: Nickel (metallic)
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: 40 Series
- Overall Length: 19.000 In.
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Position: Offset
- Outlet Type: Single Center Outlet
Features:
- 409 Stainless Steel
- Limited Lifetime Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- Excellent Street/Strip And Off Road Application
- No Internal Packing To Blowout
- The Original Two Chamber Design
- Premium Flowmaster Quality
The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

Additional Fitment Information:

Vehicle	Block	CC	Engine	Sub Model	CID
1974 - Plymouth Duster	V	-	8 Cyl 5.9L	360	360

2 In Stock

Holiday Special

$186.82 USD

$224.18 USD


Brand	Flowmaster
Part #	F138042441
Condition	New
Warehouse	B

1974 Plymouth Duster Exhaust Header Gasket 6 Cyl 3.2L Remflex Exhaust Gaskets

Exhaust Gasket-MOPAR Slant 6, 225
Suggested Torque: 5-10 Ft Lbs; 1-3/32" x 1-7/16" Square End Ports (Includes Riser Gasket), 2 Piece Set
Slant 6 - 170 Car ('60-'71) Truck ('60-'69), 198 Car ('70-'74) Truck ('70-'73), 225 Car ('60-'83) Truck ('60-'87), 1-3/32" x 1-7/16" Square End Ports (Includes Riser Gasket), 2 Piece Set
Product Attributes:
- Title: Remflex Exhaust Gasket
- Prop 65 - Short Label: Prop65_warning.jpg
- Prop 65 (C, R or CR): Cr
Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees-day after day, week after week, year after year. Now, they're bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good! Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1974 - Plymouth Duster	L	3254	6 Cyl 3.2L	198


Brand	Remflex Exhaust Gaskets
Part #	R1B6008
Condition	New
Warehouse	B

UPC: 878891001228

1974 Plymouth Duster Exhaust Manifold Gasket Set 8 Cyl 5.9L Mr Gasket

Rectangle Port Shape; Port Dimensions W-1.3 in. x H-1.8 in.
Ultra Seal Exhaust Gasket Set; Rectangle Port Shape; Port Dimensions W-1.3 in. x H-1.8 in.;
Ultra Seal Exhaust Gasket Set
Product Attributes:
- Gasket Line: Ultra-seal
- WARNING CA Proposition 65: No
- Port Shape: Rectangle
- Collector Gaskets Included: No
- Engine Make/Size: Chrysler Small Block La
- Thickness: 0.062 In.
- Port Size: 1.300 In. X 1.800 In.
Features:
- Has A Steel Core With Graphite Facing
- Graphite Facing Has Excellent Thermo-Conductivity
- High Recovery Mat Allows For Better Seal Retention
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1974 - Plymouth Duster	V	-	8 Cyl 5.9L	360


Brand	Mr Gasket
Part #	G125935
Condition	New
Warehouse	B

1974 Plymouth Duster Exhaust Manifold Gasket Set 8 Cyl 5.9L Mr Gasket

Rectangle Port Shape; Port Dimensions W-1.3 in. x H-1.8 in.
Ultra Seal Exhaust Gasket Set; Rectangle Port Shape; Port Dimensions W-1.3 in. x H-1.8 in.;
Ultra Seal Exhaust Gasket Set
Product Attributes:
- Gasket Line: Ultra-seal
- WARNING CA Proposition 65: No
- Port Shape: Rectangle
- Collector Gaskets Included: No
- Engine Make/Size: Chrysler Small Block La
- Thickness: 0.062 In.
- Port Size: 1.300 In. X 1.800 In.
Features:
- Has A Steel Core With Graphite Facing
- Graphite Facing Has Excellent Thermo-Conductivity
- High Recovery Mat Allows For Better Seal Retention
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.