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2003 GMC SIERRA 1500 HD Exhaust Systems
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Key Features:- Performance Header
- Ceramic Coated Stainless Steel
- 1 5/8 in. 14 Gauge Tubing
- w/o Air Injection
- w/o EGR
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L
C$1,452.98 -
Key Features:- Shorty Tuned Length Exhaust Header Kit
- Silver Ceramic
- CNC-Series Performance
- CNC Mandrel Bent 1.75 in. Tubing
- Direct Fit Design
- Incl. New Gaskets/Hardware
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L
C$687.98 -
- Series: Heavy Metal
- Converter Configuration: Universal
- Main Piping Diameter: 3"
- Inlet Diameter: 3"
- Outlet Diameter: 3"
- Body Length: 9"
- Body Width: 4.375"
- Overall Length: 13"
- Air Tube Adapter: Not Adaptable
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 3.00" / 3.00"
C$256.00 -
- Series: California
- Material: Stainless
- Carb Compliant: Yes
- Converter Configuration: Universal
- Main Piping Diameter: 3"
- Body Shape: Oval
- Inlet/Outlet Position: Center/Center
- Inlet Diameter: 3"
- Outlet Diameter: 3"
- Body Length: 9"
- Body Width: 5.5"
- Overall Length: 13"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Air Tube Adapter: Not Adaptable
- O2 Sensor Location: N/A
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 3.00" / 3.00"
C$753.00 -
- Series: Heavy Metal
- Converter Configuration: Universal
- Main Piping Diameter: 3"
- Inlet Diameter: 3"
- Outlet Diameter: 3"
- Body Length: 12"
- Body Width: 5.5"
- Overall Length: 16"
- Air Tube Adapter: Not Adaptable
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 3.00" / 3.00"
C$320.00 -
- Series: OEM Grade
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Universal
- Main Piping Diameter: 3"
- Inlet Diameter: 3"
- Outlet Diameter: 3"
- Body Length: 12"
- Body Width: 5.625"
- Overall Length: 16"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Air Tube Adapter: Not Adaptable
- O2 Sensor Location: N/A
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 3.00" / 3.00"
C$333.00 -
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / Crew Cab w/78.0 in./6 ft. 6 in. Bed
C$894.99 -
- Color: Black
- Sound Level: Mild Sound
- Inlet Diameter (in): 3
- Outlet Diameter (in): 3.5
- Fitment: Universal
- Body Shape: Oval
- Body Length (in): 22
- Body Width (in): 12
- Body Height (in): 5
- Overall Length (in): 28
- Inlet Connection Type: Pipe Connection
- Outlet Connection Type: Pipe Connection
- Inlet Position: Dual
- Outlet Position: Offset
- Mount Type: Uses New Hangers (Not Included)
- Muffler Series: 50 Series Big Block
- Muffler Type: Reflection
- Material: Aluminized Steel
- Automotive Item Grade: High Performance
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / Dual/Offset / 3.00" / 3.50"
C$382.98 -
- Series: Heavy Metal
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Direct-Fit
- Main Piping Diameter: 3"
- Inlet Diameter: 3"
- Outlet Diameter: 3"
- Body Length: 5"
- Body Width: 4"
- Overall Length: 81"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Exhaust Pipe Material: Stainless Steel
- Air Tube Adapter: Not Adaptable
- O2 Sensor Location: Pre And Post Converter
- Exhaust Component Mount Type: Uses Factory Hangers
- Components: 2 Gaskets
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 3.00" / 3.00"
C$897.00 -
- Series: OEM Grade
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Direct-Fit
- Overall Length: 52.5"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Exhaust Pipe Material: Stainless Steel
- Exhaust Component Mount Type: Uses Factory Hangers
- Components: 1 Band Clamp, 1 Gasket
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L
C$825.00 -
- Series: Heavy Metal
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Direct-Fit
- Overall Length: 50.5"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Exhaust Pipe Material: Stainless Steel
- Air Tube Adapter: Not Adaptable
- O2 Sensor Location: Pre And Post Converter
- Exhaust Component Mount Type: Uses Factory Hangers
- Components: 1 Band Clamp, 1 Gasket
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L
C$786.00 -
- Series: Heavy Metal
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Direct-Fit
- Main Piping Diameter: 3"
- Inlet Diameter: 3"
- Outlet Diameter: 3"
- Body Length: 11"
- Body Width: 5"
- Overall Length: 49"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Exhaust Pipe Material: Stainless Steel
- Air Tube Adapter: Not Adaptable
- O2 Sensor Location: Post Converter
- Exhaust Component Mount Type: Uses Factory Hangers
- Components: 1 Gasket
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 3.00" / 3.00"
C$744.00 -
- Series: Heavy Metal
- Converter Configuration: Universal
- Main Piping Diameter: 2.5"
- Inlet Diameter: 2.5"
- Outlet Diameter: 2.5"
- Body Length: 9"
- Body Width: 4.375"
- Overall Length: 13"
- Air Tube Adapter: Not Adaptable
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / 2.50" / 2.50"
C$256.08 -
Key Features:- Header Bolts
- 8 mm x 1.25 x 25 mm
- Black Oxide
- 12 pc.
- [Available While Supplies Last]
Fitment:
2003 GMC SIERRA 1500 HD 6.0L
C$57.65 -
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / Crew Cab w/78.0 in./6 ft. 6 in. Bed / 4 Wheel Drive, Rear Wheel Drive
C$1,395.98 -
Key Features:- Shorty Tuned Length Exhaust Header Kit
- Chrome
- CNC-Series Performance
- CNC Mandrel Bent 1.75 in. Tubing
- Direct Fit Design
- Incl. New Gaskets/Hardware
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L
C$708.99 -
- Color: Black
- Sound Level: Moderate Sound
- Inlet Diameter (in): 3.5
- Outlet Diameter (in): 3.5
- Fitment: Universal
- Body Shape: Oval
- Body Length (in): 18
- Body Width (in): 10
- Body Height (in): 5
- Overall Length (in): 18
- Inlet Connection Type: Pipe Connection
- Outlet Connection Type: Pipe Connection
- Inlet Position: Offset
- Outlet Position: Offset
- Muffler Series: 50 Series HD
- Muffler Type: Reflection
- Material: Stainless Steel
- Automotive Item Grade: High Performance
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L / Offset/Offset / 3.50" / 3.50"
C$374.91 -
Key Features:- Twisted Steel Headers
- 1 5/8 in. 16 Gauge 409 Stainless Steel Tubing
- 3/8 in. Thick Head Flange
- Merged Collectors
Fitment:
2003 GMC SIERRA 1500 HD 6.0L
C$1,605.16 -
- Inlet Diameter: 3.00"
- Outlet Diameter: OEM
- Material: Stainless Steel
- Includes: Ultra High Performance Cat
- Note: Use with Kooks Headers.
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L
C$3,012.98 -
Key Features:- Single System Tail Pipe
- 4 in. T-304 Stainless Steel
Fitment:
2003 GMC SIERRA 1500 HD SLE, SLT / 6.0L V8 GAS
C$285.98