1998 GMC K1500 Exhaust Muffler Parts
Choose your Engine for your 1998 GMC K1500
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- DynoMax Ultra-Flo Welded Muffler
- Oval; 3.0 in. Inlet/Outlet; 4.5 in. H x 9.75 in. W x 14 in. Muffler L/19 in. Overall L; Center/Center; Reversible; Stainless Steel
- DynoMax Ultra Flo Welded Muffler
- Ultra Flo™ Welded Universal Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 19.000 In.
- Muffler Type: Absorption
- Outlet Diameter Designation: Inside Diameter
- Outlet Position: Center
- WARNING CA Proposition 65: No
- Fitment: Universal
- Outlet Configuration: Center
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 1
- Max Year Covered: 2007
- Most Popular Year: 2001
- Muffler Body Height: 4.500 In.
- Muffler Body Finish: Bare
- Total Part VIO: 7562201
- Body Length: 14.000 In.
- Inlet Connection Type: Pipe
- Most Popular Make/Model: Chevrolet Silverado 1500
- Automotive Item Grade: High Performance Part
- Outlet Connection Type: Pipe
- Muffler Body Width: 9.750 In.
- Overall Length: 19.000 In.
- Product Grade: Premium
- Min Year Covered: 1997
- Inlet Diameter Designation: Inside Diameter
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Material: Stainless Steel
- Muffler Body Shape: Oval
- Inlet Position: Center
- Muffler Reversible: Yes
- Outlet Type: Pipe Connection
-
Features:
- Constructed Using All 409 Stainless Steel
- 100% Welded Construction For Lifelong durability
- Unrestricted Straight-Through Design
- Dyno Proven To Flow Up To 2000 SCFM And Support Up To 2000 HP
- Exclusive Continuous Roving Fiberglass Technology
- CRF Technology Absorbs Unwanted Interior Resonance
- Maintains A Deep Performance Tone
- Straight-Through Design Ensures Unrestricted Exhaust Flow
- Reduces Back pressure
- Proudly Manufactured In The USA
- Limited Lifetime Warranty
- DynoMax(R) Ultra Flo(TM) Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The 'Pure Unadulterated POWER' of DynoMax(R) Ultra Flo(TM) Welded mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee(TM).
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.0L | 305 |
- DynoMax Super Turbo Muffler
- Universal; Oval; 4.25 in. x 9.75 in.; 3 in. And 2.5 in. ID; 13 in. Shell Length; 17 in Overall Length; No Flow Directors Dual Exhaust
- DynoMax Super Turbo Muffler
- Super Turbo Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 17.000 In.
- Muffler Type: Combination
- Outlet Diameter Designation: Inside Diameter
- Outlet Position: Offset
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Flow Director: No
- Outlet Configuration: Offset
- Body Height: 4.250 In.
- Muffler Body Length: 13.000 In.
- Outlet Quantity: 2
- Max Year Covered: 2008
- Most Popular Year: 2004
- Muffler Body Height: 4.250 In.
- Muffler Body Finish: Aluminized
- Muffler Count: 1
- Inlet Type: Single Offset
- Total Part VIO: 6680502
- Body Length: 13.000 In.
- Inlet Connection Type: Pipe
- Most Popular Make/Model: Chevrolet Silverado 1500
- Muffler Outlet Diameter: 2.500 In.
- Automotive Item Grade: High Performance Part
- Outlet Connection Type: Pipe
- Muffler Body Width: 9.750 In.
- Overall Length: 17.000 In.
- Outlet Outside Diameter: 2.500 In.
- Product Grade: Economy
- Min Year Covered: 1994
- Inlet Diameter Designation: Inside Diameter
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Material: Steel
- Muffler Body Shape: Oval
- Inlet Position: Offset
- Muffler Reversible: No
- Outlet Type: Dual Outlet
-
Features:
- Exclusive Patented Flow Director Design Channels Exhaust Flow
- Eliminates Turbulence
- Large Internal Flow Tubes Improve Exhaust Flow
- Large Internal Flow Tubes Reduce Backpressure
- Fiberglass Matting Tech To Absorb Unwanted Interior Resonance
- Maintains A Mellow Performance Tone
- Dyno Proven To Flow Up To 700 SCFM/Support Up To 636 HP
- Proudly Manufactured In The USA
- Limited Lifetime Warranty
- DynoMax(R) Super Turbo(TM) performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone. The 'Pure Unadulterated POWER' of DynoMax(R) Super Turbo(TM) mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee(TM).
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 6 Cyl 4.3L | 262 |
- DynoMax Super Turbo Muffler
- Universal; Oval; 4.25 in. x 9.75 in.; 2.5 in. ID; 20 in. Shell Length; 25.5 in. Overall Length w/Federal Emissions~Dual Exhaust~Exits In Rear On Either Side Of License Plate~LH/RH Side
- DynoMax Super Turbo Muffler
- Super Turbo Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 25.500 In.
- Muffler Type: Combination
- Outlet Diameter Designation: Inside Diameter
- Outlet Position: Offset
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 9.750 In.
- Flow Director: Yes
- Outlet Configuration: Offset
- Body Height: 4.250 In.
- Muffler Body Length: 20.000 In.
- Outlet Quantity: 1
- Max Year Covered: 2011
- Most Popular Year: 1998
- Muffler Body Height: 4.250 In.
- Muffler Body Finish: Aluminized
- Muffler Count: 1
- Inlet Type: Single Center
- Total Part VIO: 4493396
- Body Length: 20.000 In.
- Inlet Connection Type: Pipe
- Most Popular Make/Model: Ford Ranger
- Muffler Outlet Diameter: 2.500 In.
- Automotive Item Grade: High Performance Part
- Outlet Connection Type: Pipe
- Muffler Body Width: 9.750 In.
- Overall Length: 25.500 In.
- Inlet Inside Diameter: 2.500 In.
- Muffler Inlet Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Product Grade: Economy
- Min Year Covered: 1986
- Inlet Diameter Designation: Inside Diameter
- Main Piping Diameter: 2.500 In.
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Material: Steel
- Muffler Body Shape: Oval
- Inlet Position: Center
- Muffler Reversible: Yes
- Outlet Type: Single Offset Outlet
-
Features:
- Exclusive Patented Flow Director Design Channels Exhaust Flow
- Eliminates Turbulence
- Large Internal Flow Tubes Improve Exhaust Flow
- Large Internal Flow Tubes Reduce Backpressure
- Fiberglass Matting Tech To Absorb Unwanted Interior Resonance
- Maintains A Mellow Performance Tone
- Dyno Proven To Flow Up To 700 SCFM/Support Up To 636 HP
- Proudly Manufactured In The USA
- Limited Lifetime Warranty
- DynoMax(R) Super Turbo(TM) performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone. The 'Pure Unadulterated POWER' of DynoMax(R) Super Turbo(TM) mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee(TM).
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.7L | 350 |
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Wheel FeedBase | CID |
|---|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.7L | 155.5 | 350 |
- Super 40™ Delta Flow Muffler
- 3.0 in. Offset Inlet/Offset 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. Offset Inlet/Offset 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
- Mount Type: Uses New Hangers (not Included)
- 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
- 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
- Overall Length: 19.500 In.
- Shape: Oval
- Inlet Type: Single Offset
- Inlet Position: Offset
- Body Length: 13.500 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset 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
- Developed from our Top Ten race muffler lineup for use on the street/strip, the Super 40 features Flowmasters Delta Flow technology. Its larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. 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 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:
953048
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.0L | 305 |
- 50 Series™ SUV Muffler
- 2.25 in. Dual Inlet/3 in. Center Outlet; Case Dimensions 5 in. x 10 in. x 17 in.; 23 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required~Adapters Needed For OEM Exhaust
- 50 Series™ SUV Muffler; 2.25 in. Dual Inlet/3 in. Center Outlet; Case Dimensions 5 in. x 10 in. x 17 in.; 23 in. Overall Length; Aluminized Steel;
- 50 Series(TM) SUV Muffler
- Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Mount Type: Uses New Hangers (not Included)
- Muffler Type: Reflection
- Outlet Connection Type: Pipe
- Outlet Position: Center
- Inlet Diameter: 2.250 In.
- Sound Level: Mild
- WARNING CA Proposition 65: No
- Fitment: Universal
- Body Width: 10.000 In.
- Muffler Series: Super 50 Series
- Overall Length: 23.000 In.
- Inlet Inside Diameter: 2.250 In.
- Main Piping Diameter: 2.250 In.
- Shape: Oval
- Inlet Type: Dual
- Inlet Position: Dual
- Body Length: 17.000 In.
- Inlet Outside Diameter: 2.250 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Center Outlet
-
Features:
- Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Mild to Moderate Exterior Exhaust Tone
- Minimal Interior Resonance
- Excellent Choice for Large Displacement Vehicles
- Improved HP/TQ and Potential Mileage Improvement
- Race Proven Patented Delta Flow® Technology
- Premium Flowmaster Quality
- The Super 50 series muffler is a larger version of Flowmasters 50 series Delta Flow muffler. Originally designed for trucks and SUVs, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. 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.
This Part Fits the Following OEM/Substitute Numbers:
12278
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.7L | 350 |
- 3.0 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; 3.0 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
- Mount Type: Uses New Hangers (not Included)
- 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
- 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
- Overall Length: 19.000 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Type: Single Offset
- Inlet Position: Offset
- Body Length: 13.000 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
-
Features:
- 413 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
- Durable Fully Welded 409 Stainless Steel
- The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre 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 |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.0L | 305 |
- 40 Series™ 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; 409 Stainless Steel
- 40 Series™ 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; 409 Stainless Steel;
- 40 Series(TM) Muffler
- Product Attributes:
- Tip Quantity: 0
- Automotive Item Grade: High Performance
- Mount Type: Uses New Hangers (not Included)
- 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
- 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
- Overall Length: 19.000 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Type: Single Offset
- Inlet Position: Offset
- Body Length: 13.000 In.
- Inlet Connection Type: Pipe
- Outlet Type: Single Offset Outlet
-
Features:
- 413 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
- Durable Fully Welded 409 Stainless Steel
- The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre 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 |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.0L | 305 |
- 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
- Mount Type: Uses New Hangers (not Included)
- 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
- Overall Length: 19.000 In.
- Main Piping Diameter: Oem
- Shape: Oval
- Inlet Type: Single Offset
- Inlet Position: Offset
- Body Length: 13.000 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
- 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 youre 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 |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 8 Cyl 5.0L | 305 |
- DynoMax Ultra-Flo SS Muffler
- Universal; Oval; 3 in. Inlet/2.5 in. Outlet; 4.25 in. H x 9.75 in. W x 14 in. Muffler L/19 in. Overall L; Center/Offset; Reversible; Stainless Steel Under 8600 Gross Vehicle Weight~Dual Exhaust
- DynoMax Ultra Flo SS Muffler
- Ultra Flo Muffler
- Product Attributes:
- Tip Quantity: 0
- Muffler Overall Length: 19.000 In.
- Muffler Type: Absorption
- Outlet Diameter Designation: Inside Diameter
- Outlet Position: Offset
- WARNING CA Proposition 65: No
- Fitment: Universal
- Outlet Configuration: Offset
- Muffler Body Length: 14.000 In.
- Outlet Quantity: 2
- Max Year Covered: 2008
- Most Popular Year: 2004
- Muffler Body Height: 4.250 In.
- Muffler Body Finish: Bare
- Total Part VIO: 6680502
- Body Length: 14.000 In.
- Inlet Connection Type: Pipe
- Most Popular Make/Model: Chevrolet Silverado 1500
- Muffler Outlet Diameter: 2.500 In.
- Automotive Item Grade: High Performance Part
- Outlet Connection Type: Pipe
- Muffler Body Width: 9.750 In.
- Overall Length: 19.000 In.
- Outlet Outside Diameter: 2.500 In.
- Product Grade: Premium
- Min Year Covered: 1994
- Inlet Diameter Designation: Inside Diameter
- Shape: Oval
- Inlet Quantity: 1
- Muffler Body Material: Stainless Steel
- Muffler Body Shape: Oval
- Inlet Position: Center
- Muffler Reversible: Yes
- Outlet Type: Pipe Connection
-
Features:
- Constructed Using 304 Stainless Steel For Lifelong Durability
- Completely Polished For Show-Quality Shine
- Unrestricted Straight-Through Design
- Dyno Proven To Flow Up To 2000 SCFM And Support Up To 1900 HP
- Exclusive Continuous Roving Fiberglass Technology
- CRF Technology Absorbs Unwanted Interior Resonance
- Maintains A Deep Performance Tone
- Straight-Through Design Ensures Unrestricted Exhaust Flow
- Reduces Back pressure
- Limited Lifetime Warranty
- DynoMax(R) Ultra Flo(TM) SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The 'Pure Unadulterated POWER' of DynoMax(R) Ultra Flo(TM) SS Polished mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee(TM).
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1998 - GMC K1500 | V | - | 6 Cyl 4.3L | 262 |
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