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1976 Pontiac Firebird Exhaust Muffler Parts

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1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L 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
1976 - Pontiac Firebird	V	7456	8 Cyl 7.5L	455

58 In Stock

Holiday Special

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F1342543
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L Flowmaster

2.25 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; 2.25 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: 2.250 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- 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 16ga Aluminized Steel
- 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
1976 - Pontiac Firebird	V	7456	8 Cyl 7.5L	455

43 In Stock

Holiday Special

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F1342443
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 5.7L 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; Aluminized Steel Not Direct Fit-Some Adaptation Required
40 Series™ Delta Flow 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; Aluminized Steel;
40 Series™ Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Outlet Position: Offset
- WARNING CA Proposition 65: No
- Body Width: 9.750 In.
- Inlet Type: Single Offset
- Inlet Position: Offset
- Muffler Series: 40 Series Delta Flow
- 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 Flowmaster's Delta Flow(R) 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	Sub Model	CID
1976 - Pontiac Firebird	V	5733	8 Cyl 5.7L	Formula	350

6 In Stock

Holiday Special

$207.46 USD

$248.95 USD


Brand	Flowmaster
Part #	F13943043
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L 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
1976 - Pontiac Firebird	V	7456	8 Cyl 7.5L	455

99 In Stock

Holiday Special

$154.61 USD

$185.53 USD


Brand	Flowmaster
Part #	F1343043
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L Flowmaster

2.5 in. Offset Inlet/Dual Outlet; Case Dimensions 4 in. x 9.5 in. x 15 in.; 21 in. Overall Length; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
80 Series™ Cross-Flow Muffler; 2.5 in. Offset Inlet/Dual Outlet; Case Dimensions 4 in. x 9.5 in. x 15 in.; 21 in. Overall Length; 409 Stainless Steel;
80 Series™ Cross-Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Dual
- Inlet Diameter: 2.500 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: 80 Series Crossflow
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: 2.500 In.
- Inlet Type: Single Offset
- Inlet Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
- Outlet Type: Dual Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- Limited Lifetime Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- 1984 to 2002 Camaro/Firebird/Buick Grand National
- Cross Flow Applications
- The Original Two Chamber Design
- Premium Flowmaster Quality
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros and Firebirds with transverse mufflers. 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:

12265, 12266, 17266, 42583

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1976 - Pontiac Firebird	V	7456	8 Cyl 7.5L	455

4 In Stock

Holiday Special

$272.51 USD

$327.01 USD


Brand	Flowmaster
Part #	F13842583
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 5.7L Flowmaster

2.5 in. Offset Inlet/Offset Outlet; Case Dimension 4 in. x 9.5 in. x 6.5 in.; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
Super 10 Series™ Muffler; 2.5 in. Offset Inlet/Offset Outlet; Case Dimension 4 in. x 9.5 in. x 6.5 in.; 409 Stainless Steel;
Super 10 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: Yes
- Fitment: Universal
- Body Width: 9.500 In.
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: Super 10 Series
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: 2.500 In.
- 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 Stainless Steel
- Limited Lifetime Warranty
- Loudest Most Aggressive Sound
- Recommended For Off Highway Use
- Patented Data Flow Technology
- Premium Flowmaster Quality
- Super 50 Sound Level
Super 10(TM) Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow(R) technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance. 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
1976 - Pontiac Firebird	V	5733	8 Cyl 5.7L	Formula	350

53 In Stock

Holiday Special

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F13842518
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 5.7L Flowmaster

2.5 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; 2.5 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: 2.500 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: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: 2.500 In.
- 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
- 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	Sub Model	CID
1976 - Pontiac Firebird	V	5733	8 Cyl 5.7L	Formula	350

19 In Stock

Holiday Special

$239.99 USD

$287.99 USD


Brand	Flowmaster
Part #	F13942553
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 5.7L Flowmaster

3.0 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; 3.0 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
- Sound Level: Moderate
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 50 Series Delta Flow
- 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
- 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	Sub Model	CID
1976 - Pontiac Firebird	V	5733	8 Cyl 5.7L	Formula	350

12 In Stock

Holiday Special

$239.99 USD

$287.99 USD


Brand	Flowmaster
Part #	F13943053
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L Flowmaster

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 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(TM) 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
1976 - Pontiac Firebird	V	7456	8 Cyl 7.5L	455

58 In Stock

Holiday Special

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F1342543
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 5.7L Flowmaster

2.25 in. Offset Inlet/2.25 in. 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
40 Series™ Delta Flow Muffler; 2.25 in. Offset Inlet/2.25 in. Opposite Side 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
- 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: 40 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
- Race Proven Patented Delta Flow® Technology
- Excellent Street/Strip And Off Road Application
- No Internal Packing To Blowout
This two chamber design incorporates Flowmaster's Delta Flow(R) 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.