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1988 GMC K2500

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1988 GMC K2500 Flowmaster Parts

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6 Cyl 4.3L 8 Cyl 5.0L 8 Cyl 5.7L

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1988 GMC K2500 Exhaust Muffler 6 Cyl 4.3L Flowmaster

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 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
- 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
1988 - GMC K2500	V	-	6 Cyl 4.3L	262

2 In Stock

Holiday Special

$207.46 USD

$248.95 USD


Brand	Flowmaster
Part #	F13942543
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 6 Cyl 4.3L 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
1988 - GMC K2500	V	-	6 Cyl 4.3L	262

55 In Stock

Holiday Special

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F1342543
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

40 Series™ Muffler
3.0 in. Center Inlet/2.5 in. Dual 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
40 Series™ Muffler; 3.0 in. Center Inlet/2.5 in. Dual 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: Dual
- 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
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Center
- Inlet Position: Center
- Inlet Connection Type: Pipe
- Outlet Type: Dual Outlet
Features:
- 411 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
1988 - GMC K2500	V	-	8 Cyl 5.7L	350

6 In Stock

Holiday Special

$191.97 USD

$230.36 USD


Brand	Flowmaster
Part #	F1380430402
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

40 Series™ Muffler
3.0 in. Center Inlet/2.5 in. Dual 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. Center Inlet/2.5 in. Dual 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: Dual
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Muffler Series: 40 Series
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Center
- Inlet Position: Center
- Inlet Connection Type: Pipe
- Outlet Type: Dual 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
1988 - GMC K2500	V	-	8 Cyl 5.7L	350

97 In Stock

Holiday Special

$154.80 USD

$185.76 USD


Brand	Flowmaster
Part #	F13430402
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

Super 40™ Delta Flow Muffler
3.0 in. Center Inlet/2.5 Dual Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 19.5 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required
Super 40™ Delta Flow Muffler; 3.0 in. Center Inlet/2.5 Dual Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 19.5 in. Overall Length; Aluminized Steel;
Super 40(TM) Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Dual
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 10.000 In.
- Muffler Series: Super 40 Series
- Outlet Outside Diameter: 2.500 In.
- Inlet Type: Single Center
- Inlet Position: Center
- Inlet Connection Type: Pipe
- Outlet Type: Dual Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Deep Aggressive to Moderate Exhaust Note
- Moderate Interior Resonance
- Excellent Performance On High Horsepower Vehicles
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
- Noticeable Interior Resonance
The Super 40(R) features Flowmaster's Delta Flow(R) technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow® technology. 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
1988 - GMC K2500	V	-	8 Cyl 5.7L	350

5 In Stock

Holiday Special

$239.99 USD

$287.99 USD


Brand	Flowmaster
Part #	F139530452
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

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
- Sound Level: Moderate
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- 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
- Outlet Type: Dual Outlet
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
1988 - GMC K2500	V	-	8 Cyl 5.7L	350

216 In Stock

Holiday Special

$92.85 USD

$111.42 USD


Brand	Flowmaster
Part #	F1372198
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

3.0 in. Center Inlet/2.5 in. Dual 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
40 Series™ Muffler; 3.0 in. Center Inlet/2.5 in. Dual 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: Dual
- 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
- Outlet Outside Diameter: 2.500 In.
- Main Piping Diameter: Oem
- Inlet Type: Single Center
- Inlet Position: Center
- Inlet Connection Type: Pipe
- Outlet Type: Dual Outlet
Features:
- 411 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
1988 - GMC K2500	V	-	8 Cyl 5.7L	350

6 In Stock

Holiday Special

$191.97 USD

$230.36 USD


Brand	Flowmaster
Part #	F1380430402
Condition	New
Warehouse	B

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

Super 40™ Delta Flow Muffler
3.0 in. Center Inlet/2.5 in. Dual Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
Super 40™ Delta Flow Muffler; 3.0 in. Center Inlet/2.5 in. Dual Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409 Stainless Steel;
Super 40(TM) Delta 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
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 10.000 In.
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: Super 40 Series
- Outlet Outside Diameter: 2.500 In.
- Inlet Type: Single Center
- Inlet Position: Center
- Inlet Connection Type: Pipe
- Outlet Type: Dual Outlet
Features:
- Durable Fully Welded 16ga Stainless Steel
- Limited Lifetime Warranty
- Deep Aggressive to Moderate Exhaust Note
- Moderate Interior Resonance
- Excellent Performance On High Horsepower Vehicles
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
The Super 40(R) features Flowmaster's Delta Flow(R) technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series, but with a deeper tone, and all the benefits of extra performance and low interior resonance from the Delta Flow(R) technology. 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
1988 - GMC K2500	V	-	8 Cyl 5.7L	350


Brand	Flowmaster
Part #	8530452
Condition	New
Warehouse	C

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.7L Flowmaster

3.0 in. Center Inlet/2.5 in. Dual Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409 Stainless Steel Not Direct Fit-Some Adaptation Required
Super 40™ Delta Flow Muffler; 3.0 in. Center Inlet/2.5 in. Dual Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409 Stainless Steel;
Super 40™ Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Dual
- Sound Level: Aggressive
- WARNING CA Proposition 65: Yes
- Fitment: Universal
- Body Width: 10.000 In.
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Series: Super 40 Series
- Outlet Outside Diameter: 2.500 In.
- Inlet Type: Single Center
- Inlet Position: Center
- Inlet Connection Type: Pipe
- Outlet Type: Dual Outlet
Features:
- Durable Fully Welded 16ga Stainless Steel
- Limited Lifetime Warranty
- Deep Aggressive to Moderate Exhaust Note
- Moderate Interior Resonance
- Excellent Performance On High Horsepower Vehicles
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
The Super 40(R) features Flowmaster's Delta Flow(R) technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series, but with a deeper tone, and all the benefits of extra performance and low interior resonance from the Delta Flow(R) technology. 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:

9530452

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1988 - GMC K2500	V	-	8 Cyl 5.7L	350


Brand	Flowmaster
Part #	8530452
Condition	New
Warehouse	C

1988 GMC K2500 Exhaust Muffler 8 Cyl 5.0L Flowmaster

Super 40™ Delta Flow Muffler
2.50 in. Offset Inlet/Center Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 19.5 in. Overall Length; Aluminized Steel
Super 40™ Delta Flow Muffler; 2.50 in. Offset Inlet/Center Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 19.5 in. Overall Length; Aluminized Steel;
Super 40(TM) Delta Flow Muffler
Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Center
- Inlet Diameter: 2.500 In.
- Sound Level: Aggressive
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 10.000 In.
- Muffler Series: Super 40 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 Center Outlet
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Deep Aggressive to Moderate Exhaust Note
- Moderate Interior Resonance
- Excellent Performance On High Horsepower Vehicles
- Race Proven Patented Delta Flow® Technology
- No Internal Packing To Blowout
- Premium Flowmaster Quality
- Noticeable Interior Resonance
The Super 40(R) features Flowmaster's Delta Flow(R) technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow® technology. 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.