1991 Jeep Wrangler Exhaust Muffler Parts

Choose your Submodel for your 1991 Jeep Wrangler


Showing 1 - 8 of 8 products
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Dynomax
  • DynoMax Super Turbo Muffler
  • Universal; Oval; 4.25 in. x 9.75 in.; Side - Center; 2.25 in. ID; 14 in. Shell Length; 18.5 in. Overall Length
  • DynoMax Super Turbo Muffler
  • Super Turbo Muffler
  • Product Attributes:
    • Tip Quantity: 0
    • Muffler Overall Length: 18.500 In.
    • Muffler Type: Combination
    • Outlet Diameter Designation: Inside Diameter
    • Outlet Position: Center
    • WARNING CA Proposition 65: No
    • Fitment: Universal
    • Body Width: 9.750 In.
    • Flow Director: Yes
    • Outlet Configuration: Center
    • Body Height: 4.250 In.
    • Muffler Body Length: 14.000 In.
    • Outlet Quantity: 1
    • Max Year Covered: 2000
    • Most Popular Year: 1997
    • Muffler Body Height: 4.250 In.
    • Muffler Body Finish: Aluminized
    • Muffler Count: 1
    • Inlet Type: Single Offset
    • Total Part VIO: 525153
    • Body Length: 14.000 In.
    • Inlet Connection Type: Pipe
    • Most Popular Make/Model: Jeep Wrangler
    • Muffler Outlet Diameter: 2.250 In.
    • Automotive Item Grade: High Performance Part
    • Outlet Connection Type: Pipe
    • Muffler Body Width: 9.750 In.
    • Overall Length: 18.500 In.
    • Inlet Inside Diameter: 2.250 In.
    • Muffler Inlet Diameter: 2.250 In.
    • Outlet Outside Diameter: 2.250 In.
    • Product Grade: Economy
    • Min Year Covered: 1987
    • Inlet Diameter Designation: Inside Diameter
    • Main Piping Diameter: 2.250 In.
    • Shape: Oval
    • Inlet Quantity: 1
    • Muffler Body Material: Steel
    • Muffler Body Shape: Oval
    • Inlet Position: Offset
    • Muffler Reversible: Yes
    • Outlet Type: Single Center 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 Sub Model CID
1991 - Jeep Wrangler L - 4 Cyl 2.5L Base 150

Flowmaster
  • 2.25 in. Center Inlet/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. Center Inlet/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
    • Muffler Type: Reflection
    • Outlet Position: Offset
    • 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 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
  • 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.

This Part Fits the Following OEM/Substitute Numbers:
12225, 13215, 13235, 14225, 14325, 14362

Additional Fitment Information:
Vehicle Block CC Engine CID
1991 - Jeep Wrangler L - 4 Cyl 2.5L 150

Flowmaster
  • Super 44™ Delta Flow Muffler
  • 2.25 in. Center Inlet/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. Center Inlet/Offset 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: Offset
    • 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 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
  • 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 - Jeep Wrangler L - 4 Cyl 2.5L 150

Flowmaster
  • 40 Series™ Delta Flow Muffler
  • 2.25 in. Center Inlet/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
  • 40 Series™ Delta Flow Muffler; 2.25 in. Center Inlet/Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
  • 40 Series(TM) Delta Flow Muffler
  • Product Attributes:
    • Tip Quantity: 0
    • Muffler Type: Reflection
    • Outlet Position: Offset
    • 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: 40 Series Delta Flow
    • Overall Length: 19.000 In.
    • Inlet Inside Diameter: 2.250 In.
    • Outlet Outside Diameter: 2.250 In.
    • Main Piping Diameter: 2.250 In.
    • Shape: Oval
    • Inlet Position: Center
    • Outlet Type: Single Offset Outlet
  • Features:
    • Durable Fully Welded 16ga Aluminized Steel
    • Race Proven Patented Delta Flow® Technology
    • Excellent Street/Strip And Off Road Application
    • No Internal Packing To Blowout
  • This two chamber design incorporates Flowmasters Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. 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 - Jeep Wrangler L - 4 Cyl 2.5L 150

Flowmaster
  • 2.25 in. Center Inlet/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
  • 40 Series™ Delta Flow Muffler; 2.25 in. Center Inlet/Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
  • 40 Series™ Delta Flow Muffler
  • Product Attributes:
    • Tip Quantity: 0
    • Muffler Type: Reflection
    • Outlet Position: Offset
    • 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: 40 Series Delta Flow
    • Overall Length: 19.000 In.
    • Inlet Inside Diameter: 2.250 In.
    • Outlet Outside Diameter: 2.250 In.
    • Main Piping Diameter: 2.250 In.
    • Shape: Oval
    • Inlet Position: Center
    • Outlet Type: Single Offset Outlet
  • Features:
    • Durable Fully Welded 16ga Aluminized Steel
    • Race Proven Patented Delta Flow® Technology
    • Excellent Street/Strip And Off Road Application
    • No Internal Packing To Blowout
  • This two chamber design incorporates Flowmasters Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. 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 - Jeep Wrangler L - 4 Cyl 2.5L 150

Magnaflow
  • Universal Performance Muffler - 2.25/2.25
  • Universal Performance Muffler - 2.25/2.25
  • XL Satin Finish Oval Exhaust Muffler
  • Product Attributes:
    • Muffler Type: Multi-chamber
    • Exhaust Tip Quantity: 0
    • Inlet Diameter: 2.25
    • Body Width: 9
    • Body Finish: Satin
    • Inlet Inside Diameter: 2.25
    • Hanger Included: No
    • Body Height: 4
    • Subtitle: Center/offset
    • Core Size: 2.5
    • Shape: Oval
    • Outlet Inside Diameter: 2.25
    • Reversible: Yes
    • Body Length: 14
    • Outlet Diameter: 2.25

Additional Fitment Information:
Vehicle Block CC Engine CID
1991 - Jeep Wrangler L - 6 Cyl 4.0L 242

Flowmaster
  • 50 Series™ Delta Flow Muffler
  • 2.25 in. Center Inlet/Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
  • 50 Series™ Delta Flow Muffler; 2.25 in. Center Inlet/Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; Aluminized Steel;
  • 50 Series(TM) Delta Flow Muffler
  • Product Attributes:
    • Tip Quantity: 0
    • Muffler Type: Reflection
    • Outlet Position: Offset
    • Inlet Diameter: 2.250 In.
    • Sound Level: Moderate
    • WARNING CA Proposition 65: No
    • Fitment: Universal
    • Body Width: 9.750 In.
    • Inlet Type: Single Center
    • Body Length: 17.000 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: 50 Series Delta Flow
    • Overall Length: 23.000 In.
    • Inlet Inside Diameter: 2.250 In.
    • Outlet Outside Diameter: 2.250 In.
    • Main Piping Diameter: 2.250 In.
    • Shape: Oval
    • Inlet Position: Center
    • Outlet Type: Single Center Outlet
  • Features:
    • Durable Fully Welded 16ga Aluminized Steel
    • 3 Year Limited Warranty
    • Mild to Moderate Exterior Exhaust Tone
    • Minimal Interior Resonance
    • Excellent Choice For Street Rods Cars and Trucks
    • Improved HP/TQ and Potential Mileage Improvement
    • Race Proven Patented Delta Flow® Technology
    • Premium Flowmaster Quality
  • The three chamber design utilizes Flowmasters Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. 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 - Jeep Wrangler L - 4 Cyl 2.5L 150

Flowmaster
  • 2.25 in. Center Inlet/Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
  • 50 Series™ Delta Flow Muffler; 2.25 in. Center Inlet/Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; Aluminized Steel;
  • 50 Series™ Delta Flow Muffler
  • Product Attributes:
    • Tip Quantity: 0
    • Muffler Type: Reflection
    • Outlet Position: Offset
    • Inlet Diameter: 2.250 In.
    • Sound Level: Moderate
    • WARNING CA Proposition 65: No
    • Fitment: Universal
    • Body Width: 9.750 In.
    • Inlet Type: Single Center
    • Body Length: 17.000 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: 50 Series Delta Flow
    • Overall Length: 23.000 In.
    • Inlet Inside Diameter: 2.250 In.
    • Outlet Outside Diameter: 2.250 In.
    • Main Piping Diameter: 2.250 In.
    • Shape: Oval
    • Inlet Position: Center
    • Outlet Type: Single Center Outlet
  • Features:
    • Durable Fully Welded 16ga Aluminized Steel
    • 3 Year Limited Warranty
    • Mild to Moderate Exterior Exhaust Tone
    • Minimal Interior Resonance
    • Excellent Choice For Street Rods Cars and Trucks
    • Improved HP/TQ and Potential Mileage Improvement
    • Race Proven Patented Delta Flow® Technology
    • Premium Flowmaster Quality
  • The three chamber design utilizes Flowmasters Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. 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 - Jeep Wrangler L - 4 Cyl 2.5L 150
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