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- 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 | CID |
|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | 302 |
- 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 | CID |
|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | 302 |
- 2.25 in. Offset Inlet/Opposite Side 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. Offset Inlet/Opposite Side 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
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.250 In.
- Sound Level: Moderate
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 50 Series Delta Flow
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: 2.250 In.
- 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
- 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 Flowmaster's Delta Flow(R) 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 - Ford Mustang | V | - | 8 Cyl 5.0L | 302 |
- 40 Series™ 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
- 40 Series™ 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;
- 40 Series(TM) Muffler
- Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
- Outlet Connection Type: Pipe
- California Proposition 65 Chemical Name 1: Nickel (metallic)
- 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: 40 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 409 Stainless Steel
- Aggressive Sound 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 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 |
|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | 302 |
- 2.5 in. Diameter Sold In Pairs; Includes Hangers; Offset Inlet/Offset Outlet Mufflers Required
- Tailpipe Set; 2.5 in. Diameter Sold In Pairs; Includes Hangers; Offset Inlet/Offset Outlet Mufflers Required;
- Tailpipe Set
- Product Attributes:
- Tubing Diameter: 2.500 In.
- Automotive Item Grade: High Performance
- Exhaust Pipe Wall Max Gauge: 16
- Inlet Diameter: 2.500 In.
- System Type: Tailpipe
- WARNING CA Proposition 65: No
- Fitment: Direct Oe Replacement
-
Features:
- Mandrel Bent 16 Gauge Aluminized Tubing
- Exits At Rear Of Vehicle
- 3 Year Limited Warranty
- Premium Flowmaster Quality
- Gray Color
- These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge aluminized steel tubing for maximum flow, tuck up high in the chassis for good clearance and exit straight-out the back under the rear bumper. Designed to be used with Side Inlet/Opposite Side Outlet mufflers such as part# 942548 (Super 44 Series) or 942553 (50 Series) mufflers. Covered by our 3-year Limited Warranty. Note: Not designed to fit in factory bumper exhaust cutouts. Some fitment may be necessary. Does Not include installation hardware or exhaust tips.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | GT | 302 |
- Dual; Dual Rear Exit; Includes 2.5 in. Outlet/Super 44 Delta Flow Mufflers;50 State Legal / California Emissions Compliant
- American Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Includes 2.5 in. Outlet/Super 44 Delta Flow Mufflers;
- American Thunder Cat Back Exhaust System
- Product Attributes:
- Tip Quantity: 0
- Tubing Diameter: 2.500 In.
- Exhaust Type: Dual
- Sound Level: Aggressive
- Inlet Diameter: 2.500 In.
- WARNING CA Proposition 65: No
- Exhaust Series: American Thunder
- Heat Shield Attached: No
- Exit Style: Straight
- Muffler Series: Super 44 Series
- Inlet Inside Diameter: N/a
- Tail Pipe Diameter: 2.500 In.
- Exit Position: Dual Rear
- Tip Diameter: N/a
- Muffler Count: 2
- System Type: Cat Back
- Muffler Part Number: Kit Only
-
Features:
- Mandrel Bent 16 Gauge Aluminized Tubing
- Aggressive And Powerful Exterior Exhaust Tone
- Includes Hangers And Hardware For Easy Installation
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- 3 Year Limited Warranty
- Made in the USA
- For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel-bent 2.50-inch aluminized steel inlet pipes flowing into a pair of Super 44(TM) Series mufflers for maximum performance and a deep powerful sound. The system utilizes the factory exhaust hangers for a quick and easy installation and the large 2.50-inch mandrel-bent tailpipes exit straight out the back with a turn down at the lower valance. The American Thunder(R) systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster(R) systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Note: Fits Coupes and Convertibles. Check out optional our stainless steel system #817116 covered by our Lifetime Limited Warranty. All Aluminized steel exhaust systems are covered by our 3-year Limited Warranty.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
14139, 15632, 817116, BX5093GT5S, M31016, TK8995
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | GT | 302 |
- Dual Rear Exit; 2.5 in. Diameter Sold In Pairs; Includes Hangers/Stainless Tips; Offset Inlet/Offset Outlet Mufflers Required; 409 Stainless Steel
- Tailpipe Set; Dual Rear Exit; 2.5 in. Diameter Sold In Pairs; Includes Hangers/Stainless Tips; Offset Inlet/Offset Outlet Mufflers Required; 409 Stainless Steel;
- Tailpipe Set
- Product Attributes:
- Tip Quantity: 2
- Tubing Diameter: 2.500 In.
- Exit Position: Dual Rear
- Tip Diameter: 2.500 In.
- Inlet Diameter: 2.500 In.
- System Type: Tailpipe
- WARNING CA Proposition 65: Yes
- Heat Shield Attached: No
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
-
Features:
- Mandrel Bent 16 Gauge 409 Stainless Steel Tubing
- Limited Lifetime Warranty
- 2.50 in Pre Bent Tailpipes
- Exits At Rear Of Vehicle
- Premium Flowmaster Quality
- 1 pair
- These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge stainless steel tubing for maximum flow, tuck up high in the chassis for good clearance, exits straight-out the back under the rear bumper and includes long polished 304 stainless steel tips. Designed to be used with Side Inlet/Opposite Side Outlet mufflers such as part# 842548 (Super 44 Series) or 842553 (50 Series) stainless steel mufflers. Covered by our Lifetime Limited Warranty. Note: Not designed to fit in factory bumper exhaust cutouts. Some fitment may be necessary. Does Not include installation hardware.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
45209/45210
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | LX | 302 |
- Dual; Dual Rear Exit; Includes 2.5 in. Tailpipes/Super 44(TM) Delta Flow Mufflers/OEM Style Stainless Tips;50 State Legal / California Emissions Compliant
- American Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Includes 2.5 in. Tailpipes/Super 44™ Delta Flow Mufflers/OEM Style Stainless Tips;
- American Thunder Cat Back Exhaust System
- Product Attributes:
- Tip Quantity: 2
- Tubing Diameter: 2.500 In.
- Exhaust Type: Dual
- Sound Level: Aggressive
- Inlet Diameter: 2.500 In.
- WARNING CA Proposition 65: No
- Exhaust Series: American Thunder
- Heat Shield Attached: No
- Exit Style: Straight
- Muffler Series: Super 44 Series
- Inlet Inside Diameter: N/a
- Tail Pipe Diameter: 2.500 In.
- Exit Position: Dual Rear
- Tip Diameter: 2.500 In.
- Muffler Count: 2
- System Type: Cat Back
- Muffler Part Number: Kit Only
-
Features:
- Mandrel Bent 16ga Aluminized Tubing
- Aggressive And Powerful Exterior Exhaust Tone
- Includes Hangers And Hardware For Easy Installation
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- 3 Year Limited Warranty
- Made in the USA
- Our American Thunder(R) exhaust system for 1987-1993 Ford Mustang LX with 5.0L engine is a bolt-on emissions legal system features free-flowing 2.50-inch aluminized steel mandrel-bent inlet pipes, aluminized steel tailpipes and uses the factory hanger locations for quick and easy installation. The kit comes with a pair of Super 44(TM) mufflers to complement that iconic deep and powerful Fox body sound. The system is then finished off with a pair of long 2.50-inch 304 stainless steel tips for that show car look. Comes with all necessary hardware and easy to follow instructions. Note: Fits coupes and convertibles. Also fits 1986 Ford Mustang GT models with 5.0L engine.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
15630, 17393, 5092R4, 817213, BT9400, BX50935S, M31015
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | LX | 302 |
- 50 Series™ Delta Flow Muffler
- 2.25 in. Offset Inlet/Opposite Side 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. Offset Inlet/Opposite Side 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
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.250 In.
- Sound Level: Moderate
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 50 Series Delta Flow
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Main Piping Diameter: 2.250 In.
- 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
- 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 Flowmaster's Delta Flow(R) 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 - Ford Mustang | V | - | 8 Cyl 5.0L | 302 |
- Dual; Dual Rear Exit; 2.5 in. Outlet; Super 44 Delta Flow Mufflers; 409 Stainless Steel;50 State Legal / California Emissions Compliant
- American Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; 2.5 in. Outlet; Super 44 Delta Flow Mufflers; 409 Stainless Steel;
- American Thunder Cat Back Exhaust System
- Product Attributes:
- Tip Quantity: 0
- Tubing Diameter: 2.500 In.
- Exhaust Type: Dual
- Inlet Diameter: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Exhaust Series: American Thunder
- Heat Shield Attached: No
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Exit Style: Straight
- Muffler Series: Super 44 Series
- Inlet Inside Diameter: N/a
- Outlet Outside Diameter: 2.500 In.
- Tail Pipe Diameter: 2.500 In.
- Exit Position: Dual Rear
- Tip Diameter: N/a
- Muffler Count: 2
- System Type: Cat Back
- Muffler Part Number: Kit Only
-
Features:
- Mandrel Bent 16 Gauge 409 Stainless Tubing
- Includes Hangers And Hardware For Easy Installation
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- 3 Year Limited Warranty
- Made in the USA
- For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel-bent 2.50-inch stainless steel inlet pipes flowing into a pair of Super 44(TM) Series mufflers for maximum performance and a deep powerful sound. The system utilizes the factory exhaust hangers for a quick and easy installation and the large 2.50-inch mandrel-bent tailpipes exit straight out the back with a turn down at the lower valance. The American Thunder(R) systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster(R) systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these stainless steel systems include all necessary parts, hardware and are covered by our Lifetime Limited Warranty. Note: Fits Coupes and Convertibles. Check out our optional aluminized steel system #17116.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
14139, 15632, 17116, BX5093GT5S, M31016, TK8995
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1991 - Ford Mustang | V | - | 8 Cyl 5.0L | GT | 302 |
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