Select a vehicle to find exact fit parts

1976 Pontiac Firebird

Back to vehicles list

1976 Pontiac Firebird Exhaust Muffler Parts

Choose your Submodel for your 1976 Pontiac Firebird

Base Esprit Formula Trans Am

Showing 1 - 10 of 16 products

Sort:

Show:

Image

SKU

Product

Rating

Price

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L Flowmaster

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 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(TM) 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 Position: Offset
- Inlet Connection Type: Pipe
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

131 In Stock

Limited-Time Offer

$149.23 USD

$179.08 USD


Brand	Flowmaster
Part #	F1343043
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 Position: Offset
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
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

74 In Stock

Limited-Time Offer

$149.42 USD

$179.30 USD


Brand	Flowmaster
Part #	F1342443
Condition	New
Warehouse	B

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 Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
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

99 In Stock

Limited-Time Offer

$149.42 USD

$179.30 USD


Brand	Flowmaster
Part #	F1342543
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 Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
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

99 In Stock

Limited-Time Offer

$149.42 USD

$179.30 USD


Brand	Flowmaster
Part #	F1342543
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 Position: Offset
- Inlet Connection Type: Pipe
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

131 In Stock

Limited-Time Offer

$149.23 USD

$179.08 USD


Brand	Flowmaster
Part #	F1343043
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L Flowmaster

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 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(TM) Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Offset
- Inlet Diameter: 2.250 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 Position: Offset
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
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

74 In Stock

Limited-Time Offer

$149.42 USD

$179.30 USD


Brand	Flowmaster
Part #	F1342443
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.
- Muffler Series: 80 Series Crossflow
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: 2.500 In.
- Inlet Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
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

6 In Stock

Limited-Time Offer

$276.94 USD

$332.33 USD


Brand	Flowmaster
Part #	F13842583
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 7.5L Flowmaster

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 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(TM) Cross-Flow 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: Dual
- Inlet Diameter: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 80 Series Crossflow
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: 2.500 In.
- Inlet Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
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.

Additional Fitment Information:

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

6 In Stock

Limited-Time Offer

$276.94 USD

$332.33 USD


Brand	Flowmaster
Part #	F13842583
Condition	New
Warehouse	B

1976 Pontiac Firebird Exhaust Muffler 8 Cyl 5.7L Flowmaster

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 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(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: 2.500 In.
- 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 Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
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

29 In Stock

Limited-Time Offer

$254.95 USD

$305.94 USD


Brand	Flowmaster
Part #	F13942553
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.
- 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 Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Pipe
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.