Carbon Fiber Air Box Kit for A3 Golf Jetta Vento V70 C70

Carbon Fiber CDA Dynamic Air Intake for Audi, VW, and Volvo T5 Engine Families

Who It’s For: This kit is engineered for enthusiasts running the VAG 1.8T 20V and the Volvo Modular Turbo Inline-5 engine families. Whether you are tuning a Golf GTI, an Audi S3, or a high-pressure Volvo T5, this is for the driver who understands that cooler intake charges equal consistent timing and power.

The Problem: The factory plastic airbox in the 1.8T 20V and various TDI platforms is a major source of heat soak. These stock units are designed primarily for sound suppression, using restrictive internal baffles and drawing in turbulent air from the engine bay. This leads to higher Intake Air Temperatures (IATs), causing the ECU to pull timing and reduce boost to protect the engine.

The Solution: The CDA (Carbon Dynamic Airbox) replaces the restrictive factory unit with a genuine carbon fiber housing. Because carbon fiber has extremely low thermal conductivity, it acts as a thermal barrier, insulating the incoming air from the blistering heat of the engine bay. By utilizing a cylindrical design and an internal flow deflector, we create a venturi effect that accelerates airflow directly into the turbo inlet, ensuring your 1.8T 20V or T5 engine breathes denser, oxygen-rich air.

Why This is the Ultimate Upgrade

• True Thermal Insulation: Genuine carbon fiber construction prevents engine bay heat from warming the intake tract, maintaining lower IATs even during spirited driving.
• Dynamic Supercharging Effect: The flexible aluminum ducting allows for a true cold-air feed from the front grille, creating a ram-air effect that increases air velocity as vehicle speed rises.
• Washable High-Flow Element: Features a reusable, high-performance filtration media designed to provide maximum surface area without the pressure drop found in paper filters.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• Audi A3 (8L) 1.8 TURBO S3 (225 HP) 99 > 03
• Audi A3 (8L) 1.9 TDI (115 HP) 96 > 03
• Audi A3 (8L) 1.9 TDI QUATTRO (130 HP) 96 > 03
• Audi A3 + CABRIOLET (8P) 2.0 16V TDI / QUATTRO (140 HP) 03 >
• Audi A3 + CABRIOLET (8P) 2.0 TDI (163 HP) 05 >
• Audi A3 + CABRIOLET (8P) 2.0 TDI / QUATTRO (136/140/170 HP) 03 >
• Seat IBIZA III 1.8 T 20V CUPRA (180 HP) 04 > 07
• Seat IBIZA III 1.8 T 20V FR (150 HP) 04 > 08
• Seat IBIZA III 1.9 TDI CUPRA (160 HP) 04 > 07
• Seat IBIZA III 1.9 TDI SPORT/FR (130 HP) 02 > 08
• Seat LEON I 1.8 T 20V CUPRA R (210 HP) 02 > 06
• Seat LEON I 1.9 TDI (130 HP) 03 > 06
• Seat LEON I 1.9 TDI TS/FR (150 HP) 00 > 05
• Seat LEON II 1.9 TDI (105 HP) 05 >
• Seat LEON II 2.0 TDI / 16V (140 HP) 05 >
• VW BORA (A4) 1.8 GTI / 1.8 T (150/180 HP) 97 > 05
• VW BORA (A4) 1.9 TDI (90/101/110/115/130/150 HP) 97 > 05
• VW BORA (A4) R32 (241 HP) 02 > 05
• VW BORA (A5) 1.6 D / 1.9 TDI / 2.0 TDI 05 > 10
• VW CLÁSICO (A4) 1.9 TDI / R32 00 > 05
• VW GOLF IV (1J1, 1J5) 1.9 TDI / R32 (130/150/241 HP) 00 > 05
• VW GOLF V / GOLF PLUS 1.9 TDI / 2.0 TDI (90/105/140 HP) 03 > 09
• VW JETTA IV (162) 1.9 TDI / R32 (90/101/110/115/130/150/241 HP) 97 > 05
• VW JETTA V (A5) 1.6 D / 1.9 TDI / 2.0 TDI 05 > 10
• VW RABBIT V (A5) 1.9 TDI / 2.0 TDI 03 > 08
• VW SAGITAR (A5) 1.6 D / 1.9 TDI / 2.0 TDI 05 > 10
• VW VENTO (A5) 1.6 D / 1.9 TDI / 2.0 TDI 05 > 10
• Volvo C 70 I 2.5 T5 (220 HP) 98 > 02
• Volvo V 70 2.3 T5 (239 HP) 97 > 00

Interchange Part Numbers:

8L, 8P, 1J1, 1J5, 1K1, 1K5, AJ5, 5M1, 521, 162, A4, A5, 1.8T, 20V, TDI, T5, VR6, R32

The Performance Promise

Buy with confidence. This CDA system is the choice for builds where performance consistency is non-negotiable. Backed by real automotive experts and fast shipping to get your project back on the road or track.