Airbox / Housings
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

SOUND:
The Porsche factory Early 911 air-intake snorkel is designed to muffle the induction note of the engine to keep the engine QUIET at all times. The Fabspeed Motorsport Champgane colored CNC billet aluminum high-performance OPEN STYLE airbox cover lets all that glorious air cooled flat six TRULY BREATHE and you get more Glorious Flat-Six music and induction growl in under 10 minutes.
FEATURES:
• Fits all early model Porsche 911 Carreras (1963-1973), with plastic air box plenum. Simply remove old "constricted intake snorkle by removing OEM wingnuts and or fasteners and reattach CNC billet aluminum Fabspeed CUP intake reusing Porsche hardware.
• Super simple Ultimate intake UPGRADE for any & all early 911 cars.
• Significantly improved power, throttle response and cleaned up improved high-tech engine appearance.
• Guaranteed more sports car sound.
• Champagne anodized billet aluminum artwork with engraved 911 RS on the face.
• Stunningly beautiful and elegant. Like Jewelry for your 911.
• Computer assisted design, CAD, then CNC machined from billet aluminum material and then anodized champagne to MATCH all 911 factory GOLD cadmium plated hardware.
• Direct replacement for the early Porsche 911 OEM intake snorkel - that is super restricted convoluted.
• Any and all early 911 Engines simply want to BREATHE EASY- the Fabspeed CUP intake cover 100% delivers.
• Simple installation , DIY, doityourself, and is Easily Reversible for Concours purposes.
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR911ABX27
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Fits:
Porsche 911 CIS - 05/1973 to 1983
Matte Black Finish Real Carbon Fibre air filter cover available to update the look and flow of your 911 CIS Porsche engines. We felt like all us CIS lovers should have a housing that flows great and dresses up the engine bay.
Please note: This part is on special order terms. It is not a subject to cancellation or return if not required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AKCFCOVERCISPB
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Matte Black Finish Real Carbon Fiber air filter covers for Porsche 911 CIS Porsche engines 05/1973 - 1983.
Available in Matte Twill Real Carbon Fibre or Matte Black Finish Real Carbon Fibre to update the look and flow of your 911 CIS Porsche engines. We felt like all us CIS lovers should have a housing that flows great and dresses up the engine bay.
Please note: This part is on special order terms. It is not a subject to cancellation or return if not required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AKCFCOVERCISPB
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 CIS - 05/1973 to 1983
Matte Twill Real Carbon Fibre air filter cover available to update the look and flow of your 911 CIS Porsche engines. We felt like all us CIS lovers should have a housing that flows great and dresses up the engine bay.
Please note: This part is on special order terms. It is not a subject to cancellation or return if not required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AKCFCOVERCIS
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 1973-89
Prevents costly airbox explosions, installed with the engine and air box in place. 911 engines since 1973 have had the bad habit of backfiring and blowing a hole an the air box. 911 POP VALVE is installed inside the air box and when a backfire occurs the valve will instantly open and release the backfire pressure. The POP VALVE then automatically closes and the angine continues to run. The POP VALVE has no effect on the performance or fuel mileage.
CIS Pop Off Valve Installation Click Here
For Fitting Instructions CLICK HERE
Please note the glue is not included with the air valve.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
911901522
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 S and Carrera 3.0 l (1974 to 1977)
Porsche 911 SC (1978 to 1983)
all with K-Jetronic, not for Turbo vehicles
Click 'Zoom in' for large parts diagram.
Diagram ref no 28
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110829100
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 - 1965 to 1977
Porsche 914-6 - 1970 to 1976
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
253260180
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 914 (1970-1976)
Fits:
Porsche 914 (1970 - 1976)
Porsche 914/6 (1970 - 1972)
Porsche 911 F (1970 - 1973)
Porsche 911 G (1974 - 1976)
Porsche 911 Turbo (1975 - 1976)
Click 'Zoom in' for large parts diagram.
Diagram ref no 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90002900340
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
Airboxes & Air Filter Housings – Clean Airflow for Peak Porsche Performance
Airboxes (also known as air filter housings) play a vital role in your Porsche’s intake system by securely housing the air filter and directing clean air into the engine. Designed to optimise airflow while protecting the engine from dust, debris, and contaminants, airboxes ensure maximum performance, fuel efficiency, and reliability under all driving conditions.
At Design911, we offer a comprehensive range of genuine and high-quality airboxes and air filter housings for various Porsche models including the transaxle cars, 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each housing is precision-engineered for a perfect fit, maintaining proper airflow and filtration for superior engine health and performance.
What Do Airboxes & Air Filter Housings Do?
The airbox is a critical component in your Porsche’s air
intake system, performing several important functions:
- Houses
and seals the air filter to ensure only clean, filtered air enters the
engine.
- Optimises
airflow for improved throttle response and engine performance.
- Reduces
intake noise while balancing air pressure.
- Protects the air filter from water, heat, and debris exposure.
Properly functioning air filter housings maintain engine efficiency, reduce wear, and ensure smooth, consistent performance — particularly in high-performance Porsche applications.
Why Do Airboxes & Air Filter Housings Fail?
Over time, airboxes and housings can deteriorate due to
exposure to heat, vibration, and environmental conditions. Common causes of
failure include:
- Cracked
or warped housings due to heat cycling or impact damage.
- Broken
clips or seals leading to unfiltered air leaks.
- Moisture
or debris intrusion causing filter contamination.
- Distortion from improper fitment or previous repairs.
- Aging materials such as brittle plastic or rubber gaskets.
Symptoms of a failing airbox include reduced engine performance, check engine lights, poor throttle response, or visible damage or looseness around the air filter housing.
Why Replace a Damaged Airbox or Housing?
A compromised airbox can allow unfiltered air and debris to enter the engine, leading to premature wear or poor combustion efficiency. Replacing damaged or aged components restores proper sealing, improves airflow, and protects your Porsche’s engine from contamination.
Benefits of replacement include:
- Restored air filtration and clean airflow.
- Improved throttle response and power delivery.
- Prevention of engine damage from dust or debris.
- Long-term reliability with manufacturer-quality precision.
Our airboxes and housings are constructed from high-strength materials for exceptional durability, precise sealing, and optimal airflow dynamics — engineered to maintain your Porsche’s performance and refinement.