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2003 Ford Flowmaster Parts

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2003 Ford F-150 Exhaust Muffler 8 Cyl 4.6L Flowmaster

2.5 in. Offset Inlet/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; 2.5 in. Offset Inlet/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
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 40 Series
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- No Internal Packing To Blowout
- The Original Two Chamber Design
- Premium Flowmaster Quality
- Excellent Street/Strip And Off Road Application
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're 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
2003 - Ford F-150	V	-	8 Cyl 4.6L	281

111 In Stock

Limited-Time Offer

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F1342543
Condition	New
Warehouse	B

2003 Ford F-350 Super Duty Exhaust Muffler 8 Cyl 5.4L Flowmaster

3.0 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; 3.0 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
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Center
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: 40 Series
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Connection Type: Pipe
- Outlet Type: Single Center Outlet
Features:
- 412 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 you're 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	CID
2003 - Ford F-350 Super Duty	V	-	8 Cyl 5.4L	330

16 In Stock

Limited-Time Offer

$191.97 USD

$230.36 USD


Brand	Flowmaster
Part #	F138043041
Condition	New
Warehouse	B

2003 Ford F-250 Super Duty Exhaust Muffler 10 Cyl 6.8L Flowmaster

3 Offset In/3 Center Out; Clamp On; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
FlowFX Muffler; 3 Offset In/3 Center Out; Clamp On; 409 Stainless Steel;
FlowFX Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 20.000 In.
- Muffler Type: Absorption
- Outlet Connection Type: Clamp-on
- Outlet Position: Center
- Sound Level: Moderate
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Body Width: 9.000 In.
- Muffler Series: Flow Fx
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 1
- Inlet Quantity: 1
- Inlet Position: Offset
- Inlet Connection Type: Clamp-on
- Outlet Type: Single Outlet
Features:
- Not A Direct Fit
- Moderate Sound
- Straight Through Style
- Fully Welded Steel Case
Flowmaster's Flow FX 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 Flow FX logo embossed on both sides of the case. The Flow FX 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
2003 - Ford F-250 Super Duty	V	-	10 Cyl 6.8L	415

105 In Stock

Limited-Time Offer

$92.85 USD

$111.42 USD


Brand	Flowmaster
Part #	F1371229
Condition	New
Warehouse	B

2003 Ford F-250 Super Duty Exhaust Muffler 8 Cyl 5.4L Flowmaster

3.0 in. Offset Inlet/Center Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
70 Series™ Big Block II Muffler; 3.0 in. Offset Inlet/Center Outlet; Case Dimensions 5 in. x 10 in. x 22 in.; 28 in. Overall Length; Aluminized Steel;
70 Series™ Big Block II Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Center
- Sound Level: Mild
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 10.000 In.
- Muffler Series: 70 Series Big Block
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Connection Type: Pipe
- Outlet Type: Single Center Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Stock to Mild Exterior Exhaust Tone
- Minimal Interior Resonance
- Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
- Improved HP/TQ and Potential Mileage Improvement
- Race Proven Patented Delta Flow® Technology
- Premium Flowmaster Quality
The 70 series utilizes Flowmaster's Delta Flow(R) technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where space allows. 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
2003 - Ford F-250 Super Duty	V	-	8 Cyl 5.4L	330

3 In Stock

Limited-Time Offer

$343.77 USD

$412.52 USD


Brand	Flowmaster
Part #	F1353071
Condition	New
Warehouse	B

2003 Ford Mustang Exhaust Muffler 8 Cyl 4.6L Flowmaster

2.25 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
Super 44™ Delta Flow Muffler; 2.25 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel;
Super 44™ Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: Super 44 Series
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
Features:
- Durable Fully Welded 16ga Stainless Steel
- Limited Lifetime Warranty
- Deep Aggressive Exhaust Note
- Noticeable Interior Resonance
- Recent Two Chamber Improvement
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
Flowmaster's Super 44 muffler uses the same Delta Flow(R) technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. 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.

This Part Fits the Following OEM/Substitute Numbers:

11235, 14235, 14335

Additional Fitment Information:

Vehicle	Block	CC	Engine	Sub Model	CID
2003 - Ford Mustang	V	-	8 Cyl 4.6L	Mach 1	281

28 In Stock

Limited-Time Offer

$196.62 USD

$235.94 USD


Brand	Flowmaster
Part #	F13842448
Condition	New
Warehouse	B

2003 Ford Mustang Exhaust Muffler 8 Cyl 4.6L Flowmaster

2.25 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
Super 44™ Delta Flow Muffler; 2.25 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
Super 44™ Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: Super 44 Series
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Deep Aggressive Exhaust Note
- Noticeable Interior Resonance
- Recent Two Chamber Improvement
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
Flowmaster's Super 44 muffler uses the same Delta Flow(R) technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we've ever built! 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	Sub Model	CID
2003 - Ford Mustang	V	-	8 Cyl 4.6L	SVT Cobra	281

17 In Stock

Limited-Time Offer

$176.49 USD

$211.79 USD


Brand	Flowmaster
Part #	F13942448
Condition	New
Warehouse	B

2003 Ford Mustang Exhaust Muffler 8 Cyl 4.6L Flowmaster

2.25 Offset In/2.25 Offset Out; Clamp On; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
FlowFX Muffler; 2.25 Offset In/2.25 Offset Out; Clamp On; 409 Stainless Steel;
FlowFX Muffler
Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 20.000 In.
- Muffler Type: Absorption
- Outlet Connection Type: Clamp-on
- Outlet Position: Offset (opposite)
- Sound Level: Moderate
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Body Width: 9.000 In.
- Muffler Series: Flow Fx
- Inlet Inside Diameter: 2.250 In.
- Muffler Body Length: 14.000 In.
- Main Piping Diameter: 2.250 In.
- Outlet Quantity: 1
- Inlet Quantity: 1
- Inlet Position: Offset
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Clamp-on
- Outlet Type: Single Outlet
Features:
- Not A Direct Fit
- Moderate Sound
- Straight Through Style
- Fully Welded Steel Case
Flowmaster's Flow FX 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 Flow FX logo embossed on both sides of the case. The Flow FX 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	Sub Model	CID
2003 - Ford Mustang	V	-	8 Cyl 4.6L	SVT Cobra 10th Anniversary	281

49 In Stock

Limited-Time Offer

$92.85 USD

$111.42 USD


Brand	Flowmaster
Part #	F1371235
Condition	New
Warehouse	B

2003 Ford Excursion Exhaust Muffler 8 Cyl 5.4L Flowmaster

3.0 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
40 Series™ Muffler; 3.0 in. Offset Inlet/Opposite Side Offset 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
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: 40 Series
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
Features:
- 413 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
- Durable Fully Welded 409 Stainless Steel
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're 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	CID
2003 - Ford Excursion	V	-	8 Cyl 5.4L	330

9 In Stock

Limited-Time Offer

$191.97 USD

$230.36 USD


Brand	Flowmaster
Part #	F138043043
Condition	New
Warehouse	B

2003 Ford Excursion Exhaust Muffler 8 Cyl 5.4L Flowmaster

3.0 in. Offset Inlet/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; 3.0 in. Offset Inlet/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
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 40 Series
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited 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 you're 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
2003 - Ford Excursion	V	-	8 Cyl 5.4L	330

98 In Stock

Limited-Time Offer

$154.61 USD

$185.53 USD


Brand	Flowmaster
Part #	F1343043
Condition	New
Warehouse	B

2003 Ford F-150 Exhaust Muffler 8 Cyl 5.4L Flowmaster

2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
Super 44™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
Super 44™ Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: Super 44 Series
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Deep Aggressive Exhaust Note
- Noticeable Interior Resonance
- Recent Two Chamber Improvement
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
Flowmaster's Super 44 muffler uses the same Delta Flow(R) technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we've ever built! 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.