14459AA201 Subaru DUCT ASSY-AIR INT, Price: 63.02$, Weight: 0.33kg


Make Number Name Availability Weight, kg Ship in, Days Price

Subaru

14459AA201

DUCT ASSY-AIR INT

0

0.33

2-3

63.02$

Not Available

Compatibility

BodyEngineVehicle GradeMarketModel Year FromModel Year ToSuspensionDiagram
ワゴン2.0L EMPI DOHC ターボSTIJapan10.200101.2002ノーマルサスペンシヨン View
BodyEngineVehicle GradeMarketModel Year FromModel Year ToSuspensionDiagram
ワゴン2.0L EMPI DOHC ハイパワーターボWRX STI ('95.10カラ)Japan09.199807.2000ノーマルサスペンシヨン View

Air Intake Duct Assembly for Subaru — Smooth, Cool Airflow

This precision-molded air intake duct channels cool, clean air from the grille to the air box, sealing tightly to the resonator and MAF housing. Built to OEM geometry for Subaru flat-four engines, it resists heat, vibration, and under‑hood chemicals for long service life.

Why you need it ✅

Correct airflow means stable idle, crisp throttle response, better fuel economy, and safer MAF readings. The duct also helps keep splash and debris out while reducing hot under‑hood air ingestion.

How it works

As you drive, the duct captures incoming air, smooths it through tuned bends and ribs, and delivers it to the filter and MAF. Proper volume and velocity let the ECU meter fuel accurately, keeping the mix balanced across the rev range.

What happens if it’s damaged ⚠️

Cracks or loose joints allow unmetered air: rough idle, hesitation, lean codes (e.g., P0171), higher consumption, intake roar/whistle, and possible water ingress. Expect dirtier filters and potential emissions failure.

Install tips

Direct bolt-on. Reuse factory clips, verify all seals, inspect the MAF o‑ring, and clear stored codes after installation. For best results, pair with a fresh air filter.

Compatibility

  • Impreza
  • Forester