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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356B model T6 Europe
Porsche 356C Europe
Porsche 912 1965-69 Europe
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61611101605
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356 B model T.5 Europe 1.6-2.0L
Porsche 356 B all / C export - USA 1.6-2.0L
Porsche 912 export model USA 1.6L
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61611101005
The product you are viewing cross references to these numbers
Standard Silencers
Porsche 2 IN / 2 OUT Standard Silencers - OEM-Style Exhaust Replacement
2 IN / 2 OUT Standard Silencers are factory-style exhaust components designed to manage exhaust flow and noise levels on Porsche models with dual inlet and dual outlet exhaust systems. Engineered to match original equipment specifications, these silencers restore correct exhaust function, sound balance, and drivability while maintaining a refined, road-focused exhaust note.
Available from Design911, Porsche 2 IN / 2 OUT standard silencers are ideal for owners seeking reliable OE-style replacements or a direct-fit solution that preserves factory exhaust characteristics.
What Do 2 IN / 2 OUT Standard Silencers Do?
Standard silencers control exhaust flow and sound while maintaining factory performance levels.
Core Functions:
- Manage exhaust gas flow from dual exhaust banks.
- Reduce exhaust noise to OEM levels.
- Maintain balanced exhaust backpressure.
- Support smooth engine operation.
- Preserve factory sound and drivability.
Proper silencer function ensures quiet, efficient exhaust operation.
Why Do Standard Exhaust Silencers Fail?
Even OE-style silencers are exposed to extreme heat and
moisture, leading to eventual degradation. Common failure causes include:
- Internal corrosion from condensation and heat cycles.
- Rusting of external casing or pipe joints.
- Internal baffle breakdown or rattling.
- Exhaust leaks due to material fatigue.
- Age-related wear in high-mileage vehicles.
Failing silencers can result in excessive noise, poor sound quality, and exhaust leaks.
Why Upgrade or Replace Standard Silencers?
Replacing worn silencers restores exhaust performance and reliability.
Upgrade Benefits:
- Restores original exhaust sound and function.
- Ensures correct exhaust flow and backpressure.
- Improves durability compared to aged components.
- Maintains factory refinement and comfort.
- Ideal solution for maintenance or restoration.
Upgrading ensures long-term exhaust reliability while preserving original driving characteristics.
Highlights
- Porsche 2 IN / 2 OUT standard silencer replacements
- OEM-style fitment and performance
- Maintains factory exhaust sound levels
- Designed for road comfort and reliability
- Ideal for restoration and daily driving