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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Air Induction Kits

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28-4240
Product Information
Product Information
K&N High Performance replacement air filter.
Air Filter Shape: Round
Height: 5 in (127 mm)
Sold each

kn

This Product Fits:
Porsche 356 Speedster

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today

Protect your drag car motor from debris
Designed for high performance
Cotton gauze filter material

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

28-4240
33-2484
332484

The product you are viewing cross references to these numbers
INDUCTIONKIT6INCH
Product Information
Product Information
Universal Air induction kit with 6" Cone filter and alloy billet funnel.

designtek


Can be adapted to various vehicles.

Filter height: 6 inch / 15cm
Filter diameter at base: 7 inch / 18cm
Funnel height: 8 inch / 20cm
Filter diameter at base: 3,5 inch / 9cm
Overall height: 13inch / 33cm



DISPLAYING 1 to 2 (of 2 products)
About Air Induction Kits

Engine Tuning Air Induction Kits – Unlock Your Porsche’s True Breathing Potential

An air induction kit is one of the most effective tuning upgrades for increasing power and responsiveness in your Porsche. Designed to replace restrictive stock airboxes and piping, these systems improve airflow, reduce intake resistance, and deliver cooler, denser air to the engine. The result is a sharper throttle response, enhanced torque, and a more engaging driving experience.

At Design911, we stock a premium range of performance air induction kits engineered for Porsche models across all generations — from classic 911s to modern Cayman, Boxster, and Taycan models. Manufactured from lightweight, heat-resistant materials with precision-fit components, our high-quality induction systems ensure optimal performance and a refined induction sound that complements your Porsche’s character.

Whether you’re aiming for track-ready performance or improved road dynamics, our air induction kits provide the perfect balance of power, reliability, and sound enhancement.

What Do Air Induction Kits Do?

Air induction kits optimise your Porsche’s intake system by increasing the volume and quality of air reaching the combustion chamber.

Core Functions:

  • Increase airflow efficiency to improve engine breathing and power output.
  • Reduce intake temperatures for denser air and better combustion.
  • Enhance throttle response for sharper, more immediate acceleration.
  • Deliver a sportier induction sound during acceleration.
  • Improve fuel efficiency and overall engine performance.

When properly installed, an upgraded induction system can boost both performance and engine responsiveness, making it one of the best value-for-performance modifications available.

Why Do Induction Kits Fail or Require Replacement?

Like all high-performance components, air induction kits and filters are subject to environmental wear and heat exposure over time.

Common Causes of Failure Include:

  • Clogged or damaged filters reducing airflow and power.
  • Cracked intake pipes causing air leaks and inaccurate sensor readings.
  • Heat soak from poor insulation or worn heat shields.
  • Contaminant build-up on intake elements and sensors.
  • Loose fittings or seals resulting in unmetered air entering the system.

Symptoms of a failing induction system include loss of performance, uneven idle, whistling noises, or increased fuel consumption — all indicators that maintenance or replacement is needed.

Why Upgrade or Replace with Performance Induction Components?

Replacing worn parts or upgrading to a high-performance induction system ensures consistent airflow, reduced restriction, and improved power delivery.

Key Benefits:

  • Increases engine power and torque.
  • Improves throttle response and drivability.
  • Enhances induction sound and character.
  • Constructed from lightweight, durable materials.
  • Direct-fit compatibility with Porsche 911, Cayman, Boxster, Macan, Panamera and more.
  • Ideal for performance tuning, track use, or spirited driving.

A precision-engineered induction kit maximises your Porsche’s performance potential while preserving reliability and long-term efficiency.

Highlights:

  • Performance air induction kits engineered for Porsche models.
  • Enhances airflow, power, and throttle response.
  • Delivers a deep, refined induction sound.
  • Built from heat-resistant carbon fibre, silicone, or aluminium.
  • Easy installation with precision-fit design.
  • Perfect for performance upgrades and maintenance replacements.

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