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Exhaust sleeve catalytic converter to U-Bend. Porsche Boxster 986 - 99611111001
99611111001
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
Information
Exhaust sleeve catalytic converter to U-Bend
Genuine Porsche exhaust clamp - also called a clamping sleeve - It is used where the catalytic converter connects to the next section of exhaust (U-bend/silencer pipe) on Porsche 986 Boxster models.
Sold as: Single clamp (two may be required per complete joint).
Fits:
Porsche 986 Boxster 1997 - 2004
Diagram ref no 15
The exhaust clamp helps secure and seal the exhaust connection between the catalytic converter and adjoining exhaust pipe sections. Under normal operation, exhaust components heat up, cool down, and experience vibration; this clamp maintains a tight mechanical joint, preventing exhaust leaks, excessive movement, and noise. Genuine Porsche clamps are engineered with durable materials that withstand heat, corrosion, and vibration as intended by the factory design.
Function:
• Secures exhaust junctions: Holds exhaust piping tightly together
• Prevents exhaust leaks: Maintains a sealed joint at critical interfaces
• Resists corrosive conditions: Designed for high-temperature exposure
• Ensures proper exhaust alignment: Reduces noise, rattles, and stress on mounts
As part of the exhaust system hardware, proper clamp integrity helps the entire exhaust assembly function smoothly and reliably across varying conditions.
Exhaust clamps are exposed to extreme temperatures, road salts, and moisture - conditions that accelerate corrosion and fatigue. Over time, original clamps can weaken, rust, or lose clamping force, leading to:
• Exhaust leaks Increased noise or vibration
• Poor exhaust alignment
• Potential damage to adjacent components
Using a Genuine Porsche clamp ensures the joint is restored to factory-spec tightness, maintaining proper exhaust pressure sealing and alignment as originally designed.
When to replace. Replace the exhaust clamp when:
• You are servicing or refitting the exhaust system
• The original clamp shows rust, deformation, or breaks
• You hear exhaust leaks or unusual noise at the catalytic converter junction
• The clamp no longer holds the pipes firmly in place
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611111001
The product you are viewing cross references to these numbers
Genuine Porsche exhaust clamp - also called a clamping sleeve - It is used where the catalytic converter connects to the next section of exhaust (U-bend/silencer pipe) on Porsche 986 Boxster models.
Sold as: Single clamp (two may be required per complete joint).
Fits:
Porsche 986 Boxster 1997 - 2004
Diagram ref no 15
The exhaust clamp helps secure and seal the exhaust connection between the catalytic converter and adjoining exhaust pipe sections. Under normal operation, exhaust components heat up, cool down, and experience vibration; this clamp maintains a tight mechanical joint, preventing exhaust leaks, excessive movement, and noise. Genuine Porsche clamps are engineered with durable materials that withstand heat, corrosion, and vibration as intended by the factory design.
Function:
• Secures exhaust junctions: Holds exhaust piping tightly together
• Prevents exhaust leaks: Maintains a sealed joint at critical interfaces
• Resists corrosive conditions: Designed for high-temperature exposure
• Ensures proper exhaust alignment: Reduces noise, rattles, and stress on mounts
As part of the exhaust system hardware, proper clamp integrity helps the entire exhaust assembly function smoothly and reliably across varying conditions.
Exhaust clamps are exposed to extreme temperatures, road salts, and moisture - conditions that accelerate corrosion and fatigue. Over time, original clamps can weaken, rust, or lose clamping force, leading to:
• Exhaust leaks Increased noise or vibration
• Poor exhaust alignment
• Potential damage to adjacent components
Using a Genuine Porsche clamp ensures the joint is restored to factory-spec tightness, maintaining proper exhaust pressure sealing and alignment as originally designed.
When to replace. Replace the exhaust clamp when:
• You are servicing or refitting the exhaust system
• The original clamp shows rust, deformation, or breaks
• You hear exhaust leaks or unusual noise at the catalytic converter junction
• The clamp no longer holds the pipes firmly in place
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611111001
99611111001
99611111000
The product you are viewing cross references to these numbers
Price: £40.90
In stock
Related products
Vehicle Group
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944S 2.5L 16V 1987-88
Information
Exhaust hook. Fits Front and rear muffler.
Fits:
Porsche 924 Turbo 1976-85
Porsche 924 S 1986-88
Porsche 944 2.5L 1982-88
Porsche 944 S 2.5L 1987-88
Click 'Zoom in' for large parts diagram.
Diagram ref no 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93111106102
The product you are viewing cross references to these numbers
Fits:
Porsche 924 Turbo 1976-85
Porsche 924 S 1986-88
Porsche 944 2.5L 1982-88
Porsche 944 S 2.5L 1987-88
Click 'Zoom in' for large parts diagram.
Diagram ref no 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93111106102
93111106102
1621600500
The product you are viewing cross references to these numbers
Price: £23.93
Orderable
Vehicle Group
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Exhaust Clip.
Fits:
Porsche 924 1976-85
Porsche 924 S 1986-88
Porsche 944 1982-91
Fits Front and Rear muffler
Diagram Ref No. 5
Fits:
Porsche 924 1976-85
Porsche 924 S 1986-88
Porsche 944 1982-91
Fits Front and Rear muffler
Diagram Ref No. 5
Price: £22.20
Orderable
Vehicle Group
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
Information
Exhaust Hook.
Fits:
Porsche 924 1976-85
Fits Front and Rear muffler
Diagram Ref No. 9
Fits:
Porsche 924 1976-85
Fits Front and Rear muffler
Diagram Ref No. 9
Price: £24.32
In stock
Vehicle Group
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Exhaust support.
Fits Front and Rear muffler.
Fits:
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Click 'Zoom in' for large parts diagram.
Diagram Ref No. 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411130700
The product you are viewing cross references to these numbers
Fits Front and Rear muffler.
Fits:
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Click 'Zoom in' for large parts diagram.
Diagram Ref No. 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94411130700
94411130700
The product you are viewing cross references to these numbers
Price: £16.13
Orderable