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NEXT LEVEL PERFORMANCE PRODUCTS BY ZERONINE DESIGN - BECAUSE 'GOOD ENOUGH' JUST ISN'T IN OUR VOCABULARY

FEN013AA

09D HVF Carbon Induction Kit [Focus ST Mk4/4.5 | Focus ST Line]

Product Overview

The 09D Carbon Induction Kit replaces the factory intake system on the Focus ST Mk4/4.5 with a precision engineered, high-flow carbon setup. Designed to maximise airflow while reducing heat soak, it also delivers an improved throttle response, enhanced induction soundtrack, and a striking engine bay aesthetic.

KEY FEATURES AND ADVANTAGES

KEY FEATURES AND ADVANTAGES

  • Fully dry carbon weave induction trumpet and wrap around air guide, offering exceptional strength, low weight, and a high-end finish that elevates the engine bay
  • Dramatically Increased air filter size, combined with 73.5mm larger internal diameter and smooth internal contoured induction
    trumpet, reduce restriction and turbulence compared to the stock plastic intake system
  • Engineered and CFD tested to optimise airflow from the air filter to the throttle body with minimal disruption or pressure loss
  • Designed for an exact fit with no permanent modifications required
  • More efficient airflow results in sharper response throughout the rev range and provides a greater volume of air when called for
  • Dry carbon construction and increased airflow helps manage intake temperatures
  • Provides a more pronounced and engaging induction noise under acceleration
  • Suitable for vehicles at all stages of tune from standard power output to 400PS+ / 560Nm+
  • Fully dry carbon weave induction trumpet and wrap around air guide, offering exceptional strength, low weight, and a high-end finish that elevates the engine bay
  • Dramatically Increased air filter size, combined with 73.5mm larger internal diameter and smooth internal contoured induction
    trumpet, reduce restriction and turbulence compared to the stock plastic intake system
  • Engineered and CFD tested to optimise airflow from the air filter to the throttle body with minimal disruption or pressure loss
  • Designed for an exact fit with no permanent modifications required
  • More efficient airflow results in sharper response throughout the rev range and provides a greater volume of air when called for
  • Dry carbon construction and increased airflow helps manage intake temperatures
  • Provides a more pronounced and engaging induction noise under acceleration
  • Suitable for vehicles at all stages of tune from standard power output to 400PS+ / 560Nm+

TECHNICAL DATA

TECHNICAL DATA

  • High‑quality motorsport derived dry carbon fibre
  • CAD engineered and CFD tested for maximum internal flow and structural integrity
  • Multiple precision fit components, assembled and checked in house
  • Retains all OEM sensor and connection locations
  • Comprehensive kit including; Carbon Fibre induction trumpet and air duct, large non oiled cone filter, mounting hardware and silicone couplers
  • High‑quality motorsport derived dry carbon fibre
  • CAD engineered and CFD tested for maximum internal flow and structural integrity
  • Multiple precision fit components, assembled and checked in house
  • Retains all OEM sensor and connection locations
  • Comprehensive kit including; Carbon Fibre induction trumpet and air duct, large non oiled cone filter, mounting hardware and silicone couplers

FITMENT

FITMENT

Compatible with Ford Focus ST Mk4 / Mk4.5 and Focus ST-Line Mk4 1.5-litre 3-cylinder models.

The Carbon Induction Kit replaces the factory air intake and connects directly to the OEM throttle body and air filter location. No cutting, trimming, or permanent modification is required. All factory sensors and breather lines are retained and plugged in as per OEM routing. A relatively easy installation provided instructions are followed exactly.

Compatible with Ford Focus ST Mk4 / Mk4.5 and Focus ST-Line Mk4 1.5-litre 3-cylinder models.

The Carbon Induction Kit replaces the factory air intake and connects directly to the OEM throttle body and air filter location. No cutting, trimming, or permanent modification is required. All factory sensors and breather lines are retained and plugged in as per OEM routing. A relatively easy installation provided instructions are followed exactly.

Frequently Asked Questions (FAQs)

Yes. The 09D Carbon Induction Kit improves airflow efficiency and throttle response even on unmodified vehicles. Gains are most noticeable in mid‑range response and engine sound. To truly maximise performance, we recommend utilising our Stage 01 Flashlink software as a minimum.

No. The car will run perfectly fine without remapping. However, vehicles with additional upgrades or performance maps will
extract greater benefits from this induction upgrade.

Absolutely. The dry carbon construction is lightweight yet high in tensile strength. With accurate installation and routine checks, this intake is suitable for daily driving and fast road use.

Yes. the design aims to reduce heat soak
compared to other aftermarket open cone alternatives, keeping in line with the heat soak of the OEM airbox, especially when the vehicle is in motion.

Yes. The kit installs with basic hand tools and
fits in the factory locations. We do recommend careful routing and correct
torque on all fixings for best results.

No. Our carbon fibre products mimic those found and used in motorsport applications, where weight, strength and quality of construction are paramount. Gloss carbon relies on a lacquer being applied to the surface which in some cases can discolour over time, even resulting in the lacquer flaking off or cracking, eventually becoming unsightly.

Yes, we suggest inspection every 6000-miles and depending environment used, removal and clearing of any debris located in the filter pleats.

If the filter is particularly dirty you can clean the material with warm soapy water and then leave it to air dry. As a dry filter element, it does not need to be re-oiled.

SHIPPING & RETURNS

SHIPPING & RETURNS

Orders are shipped Monday to Friday, with weekend orders dispatched on Monday. Shipping is handled via FedEx or DHL with full tracking provided.

UK delivery: Typically next working day.

International delivery: Usually 2–5 working days, depending on location.

Under UK consumer law, unused items can be returned within 14 days of receipt for a refund, provided they are in original condition and packaging. Return shipping costs are the customer's responsibility unless the item is faulty or incorrect. Contact the team prior to sending any returns.

Orders are shipped Monday to Friday, with weekend orders dispatched on Monday. Shipping is handled via FedEx or DHL with full tracking provided.

UK delivery: Typically next working day.

International delivery: Usually 2–5 working days, depending on location.

Under UK consumer law, unused items can be returned within 14 days of receipt for a refund, provided they are in original condition and packaging. Return shipping costs are the customer's responsibility unless the item is faulty or incorrect. Contact the team prior to sending any returns.

WARRANTY

WARRANTY

All products are covered by a 12-month warranty against manufacturing defects. This does not cover normal wear and tear, misuse, or damage during installation. For warranty claims, contact support with your order details.

All products are covered by a 12-month warranty against manufacturing defects. This does not cover normal wear and tear, misuse, or damage during installation. For warranty claims, contact support with your order details.