1991 Ford F 250 Exhaust Muffler Parts
Choose your Engine for your 1991 Ford F-250
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Product
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- DynoMax Ultra-Flo SS Muffler
- Universal; Oval; 3 in. Inlet/2.5 in. Outlet; 4.25 in. H x 9.75 in. W x 14 in. Muffler L/19 in. Overall L; Center/Offset; Reversible; Stainless Steel
- DynoMax Ultra Flo SS Muffler
- Ultra Flo Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 19.000 In.
- Muffler Type: Absorption
- Outlet Diameter Designation: Inside Diameter
- Outlet Position: Offset
- WARNING CA Proposition 65: No
- Fitment: Universal
- Outlet Configuration: Offset
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 2
- Max Year Covered: 2008
- Most Popular Year: 2004
- Muffler Body Height: 4.250 In.
- Muffler Body Finish: Bare
- Total Part VIO: 6680502
- Body Length: 14.000 In.
- Inlet Connection Type: Pipe
- Most Popular Make/Model: Chevrolet Silverado 1500
- Muffler Outlet Diameter: 2.500 In.
- Automotive Item Grade: High Performance Part
- Outlet Connection Type: Pipe
- Muffler Body Width: 9.750 In.
- Overall Length: 19.000 In.
- Outlet Outside Diameter: 2.500 In.
- Product Grade: Premium
- Min Year Covered: 1994
- Inlet Diameter Designation: Inside Diameter
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Material: Stainless Steel
- Muffler Body Shape: Oval
- Inlet Position: Center
- Muffler Reversible: Yes
- Outlet Type: Pipe Connection
-
Features:
- Constructed Using 304 Stainless Steel For Lifelong Durability
- Completely Polished For Show-Quality Shine
- Unrestricted Straight-Through Design
- Dyno Proven To Flow Up To 2000 SCFM And Support Up To 1900 HP
- Exclusive Continuous Roving Fiberglass Technology
- CRF Technology Absorbs Unwanted Interior Resonance
- Maintains A Deep Performance Tone
- Straight-Through Design Ensures Unrestricted Exhaust Flow
- Reduces Back pressure
- Limited Lifetime Warranty
- DynoMax(R) Ultra Flo(TM) SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The 'Pure Unadulterated POWER' of DynoMax(R) Ultra Flo(TM) SS Polished mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee(TM).
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | L | 4917 | 6 Cyl 4.9L | 300 |
- DynoMax Super Turbo Muffler
- Universal; Oval; 4.25 in. x 9.75 in.; 3 in. And 2.5 in. ID; 13 in. Shell Length; 17 in Overall Length; No Flow Directors Dual Exhaust~Under 8500 Gross Vehicle Weight
- DynoMax Super Turbo Muffler
- Super Turbo Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 17.000 In.
- Muffler Type: Combination
- Outlet Diameter Designation: Inside Diameter
- Outlet Position: Offset
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Flow Director: No
- Outlet Configuration: Offset
- Body Height: 4.250 In.
- Muffler Body Length: 13.000 In.
- Outlet Quantity: 2
- Max Year Covered: 2008
- Most Popular Year: 2004
- Muffler Body Height: 4.250 In.
- Muffler Body Finish: Aluminized
- Muffler Count: 1
- Inlet Type: Single Offset
- Total Part VIO: 6680502
- Body Length: 13.000 In.
- Inlet Connection Type: Pipe
- Most Popular Make/Model: Chevrolet Silverado 1500
- Muffler Outlet Diameter: 2.500 In.
- Automotive Item Grade: High Performance Part
- Outlet Connection Type: Pipe
- Muffler Body Width: 9.750 In.
- Overall Length: 17.000 In.
- Outlet Outside Diameter: 2.500 In.
- Product Grade: Economy
- Min Year Covered: 1994
- Inlet Diameter Designation: Inside Diameter
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Material: Steel
- Muffler Body Shape: Oval
- Inlet Position: Offset
- Muffler Reversible: No
- Outlet Type: Dual Outlet
-
Features:
- Exclusive Patented Flow Director Design Channels Exhaust Flow
- Eliminates Turbulence
- Large Internal Flow Tubes Improve Exhaust Flow
- Large Internal Flow Tubes Reduce Backpressure
- Fiberglass Matting Tech To Absorb Unwanted Interior Resonance
- Maintains A Mellow Performance Tone
- Dyno Proven To Flow Up To 700 SCFM/Support Up To 636 HP
- Proudly Manufactured In The USA
- Limited Lifetime Warranty
- DynoMax(R) Super Turbo(TM) performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone. The 'Pure Unadulterated POWER' of DynoMax(R) Super Turbo(TM) mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee(TM).
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | L | 4917 | 6 Cyl 4.9L | 300 |
- 2.25 in. Center 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
- Super 44™ Delta Flow Muffler; 2.25 in. Center Inlet/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
- 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 Center
- 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: Super 44 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: Center
- Outlet Type: Single Center 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
- Flowmasters Super 44 muffler uses the same Delta Flow 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 weve 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 | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | 5753 | 8 Cyl 5.8L | 351 |
- 40 Series™ Muffler
- 3.0 in. Center Inlet/2.5 in. Dual 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. Center Inlet/2.5 in. Dual 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
- Automotive Item Grade: High Performance
- Mount Type: Uses New Hangers (not Included)
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Dual
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 40 Series
- Overall Length: 19.000 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Type: Single Center
- Inlet Position: Center
- Body Length: 13.000 In.
- Inlet Connection Type: Pipe
- Outlet Diameter: 2.500 In.
- Outlet Type: Dual 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 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 |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | - | 8 Cyl 7.5L | 460 |
- 40 Series™ Muffler
- 3.0 in. Center Inlet/2.5 in. Dual 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
- 40 Series™ Muffler; 3.0 in. Center Inlet/2.5 in. Dual 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: Dual
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- Inlet Type: Single Center
- Body Length: 13.000 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.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Position: Center
- Outlet Type: Dual Outlet
-
Features:
- 411 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 | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | - | 8 Cyl 7.5L | 460 |
- Super 44™ Delta Flow Muffler
- 2.25 in. Center 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
- Super 44™ Delta Flow Muffler; 2.25 in. Center Inlet/Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
- Super 44(TM) Delta Flow 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 Center
- 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: Super 44 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: Center
- Outlet Type: Single Center 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
- Flowmasters Super 44 muffler uses the same Delta Flow 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 weve 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 | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | 5753 | 8 Cyl 5.8L | 351 |
- 3.0 in. Center Inlet/2.5 in. Dual 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
- 40 Series™ Muffler; 3.0 in. Center Inlet/2.5 in. Dual 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: Dual
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- Inlet Type: Single Center
- Body Length: 13.000 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.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Position: Center
- Outlet Type: Dual Outlet
-
Features:
- 411 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 | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | - | 8 Cyl 7.5L | 460 |
- 3 in. Center In/2.5 in. Dual Out; Clamp On; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
- FlowFX Muffler; 3 in. Center In/2.5 in. Dual Out; Clamp On; 409 Stainless Steel;
- FlowFX Muffler
- Product Attributes:
- Muffler Outlet Diameter: 2.500 In.
- Tip Quantity: 0
- Muffler Overall Length: 20.000 In.
- Muffler Type: Absorption
- California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
- Outlet Connection Type: Clamp-on
- California Proposition 65 Chemical Name 1: Nickel (metallic)
- Outlet Position: Dual Outlet
- 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
- Overall Length: 20.000 In.
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 1
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Shape: Oval
- Inlet Position: Center
- Body Length: 14.000 In.
- Inlet Connection Type: Clamp-on
- Outlet Type: Dual 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 |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | - | 8 Cyl 7.5L | 460 |
- Universal Performance Muffler - 3/2.5
- Universal Performance Muffler - 3/2.5
- XL Satin Finish Oval Exhaust Muffler
- Product Attributes:
- Muffler Type: Multi-chamber
- Exhaust Tip Quantity: 0
- Inlet Diameter: 3
- Body Width: 9
- Body Finish: Satin
- Inlet Inside Diameter: 3
- Hanger Included: No
- Body Height: 4
- Subtitle: Single/dual
- Core Size: 2.5
- Outlet Quantity: 2
- Shape: Oval
- Outlet Inside Diameter: 2.5
- Reversible: Yes
- Body Length: 14
- Outlet Diameter: 2.5
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | 5753 | 8 Cyl 5.8L | 351 |
- Super 40™ Delta Flow Muffler
- 2.5 in. Offset Inlet/Center Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409 Stainless Steel
- Super 40™ Delta Flow Muffler; 2.5 in. Offset Inlet/Center Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409 Stainless Steel;
- Super 40(TM) Delta Flow Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Type: Reflection
- Outlet Position: Center
- Inlet Diameter: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 10.000 In.
- Inlet Type: Single Offset
- Body Length: 13.500 In.
- Inlet Outside Diameter: 2.500 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: Super 40 Series
- Overall Length: 19.500 In.
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: 2.500 In.
- Shape: Oval
- Inlet Position: Offset
- Outlet Type: Single Center Outlet
-
Features:
- Durable Fully Welded 16ga Stainless Steel
- Limited Lifetime Warranty
- Deep Aggressive to Moderate Exhaust Note
- Moderate Interior Resonance
- Excellent Performance On High Horsepower Vehicles
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
- Developed from our Top Ten race muffler lineup for use on the street/strip, the Super 40 features Flowmasters Delta Flow technology. Its larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. 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:
952546
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1991 - Ford F-250 | V | - | 8 Cyl 7.3L | 445 |
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