1973 GMC Exhaust Muffler Parts
Choose a Model for your 1973 GMC
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- 2.5 Offset In/2.5 Offset Out; Clamp On; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
- FlowFX Muffler; 2.5 Offset In/2.5 Offset Out; Clamp On; 409 Stainless Steel;
- FlowFX Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 20.000 In.
- Muffler Type: Absorption
- Outlet Connection Type: Clamp-on
- Outlet Position: Offset (opposite)
- WARNING CA Proposition 65: Yes
- Muffler Body Width: 9.000 In.
- Muffler Series: Flow Fx
- Inlet Inside Diameter: 2.500 In.
- Muffler Body Length: 14.000 In.
- Main Piping Diameter: 2.500 In.
- Outlet Quantity: 1
- Inlet Quantity: 1
- Inlet Position: Offset
- Inlet Outside Diameter: 2.500 In.
- Inlet Connection Type: Clamp-on
-
Features:
- Not A Direct Fit
- Moderate Sound
- Straight Through Style
- Fully Welded Steel Case
- Flowmaaster's Flow FX 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 Flow FX logo embossed on both sides of the case. The Flow FX 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 |
|---|---|---|---|---|
| 1973 - GMC Jimmy | V | 5031 | 8 Cyl 5.0L | 307 |
- 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 |
|---|---|---|---|---|
| 1973 - GMC K15/K1500 Suburban | V | - | 8 Cyl 5.7L | 350 |
- 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 |
|---|---|---|---|---|
| 1973 - GMC C15/C1500 Suburban | L | 4097 | 6 Cyl 4.1L | 250 |
- 40 Series™ Delta Flow Muffler
- 2.5 in. Offset Inlet/2.5 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; 2.5 in. Offset Inlet/2.5 in. Opposite Side 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
- 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 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
- Race Proven Patented Delta Flow® Technology
- Excellent Street/Strip And Off Road Application
- No Internal Packing To Blow Out
- 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 | CID |
|---|---|---|---|---|
| 1973 - GMC Jimmy | V | 5031 | 8 Cyl 5.0L | 307 |
- 2.5 in. Offset Inlet/2.5 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; 2.5 in. Offset Inlet/2.5 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: 2.500 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: 2.500 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
- Race Proven Patented Delta Flow® Technology
- Excellent Street/Strip And Off Road Application
- No Internal Packing To Blow Out
- 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 | CID |
|---|---|---|---|---|
| 1973 - GMC Jimmy | V | 5031 | 8 Cyl 5.0L | 307 |
- 2.5 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; 2.5 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
- 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: 9.750 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:
- 410 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 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 |
|---|---|---|---|---|
| 1973 - GMC Jimmy | V | 5031 | 8 Cyl 5.0L | 307 |
- 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:
- Tip Quantity: 0
- Muffler Overall Length: 20.000 In.
- Muffler Type: Absorption
- Outlet Connection Type: Clamp-on
- Outlet Position: Dual Outlet
- WARNING CA Proposition 65: Yes
- Muffler Body Width: 9.000 In.
- Muffler Series: Flow Fx
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 1
- Inlet Quantity: 1
- Inlet Position: Center
- Inlet Connection Type: Clamp-on
-
Features:
- Not A Direct Fit
- Moderate Sound
- Straight Through Style
- Fully Welded Steel Case
- Flowmaster's Flow FX 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 Flow FX logo embossed on both sides of the case. The Flow FX 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 |
|---|---|---|---|---|
| 1973 - GMC Jimmy | L | 4098 | 6 Cyl 4.1L | 250 |
- 40 Series™ Muffler
- 2.5 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; 2.5 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: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- 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:
- 410 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 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 |
|---|---|---|---|---|
| 1973 - GMC Jimmy | V | 5031 | 8 Cyl 5.0L | 307 |
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