Air and Fuel› Air Cleaners, Filters, Intakes and Components

K&N Engineering

K&N 04-10 Opel Astra H 2.0L F/l 57i Series Performance Intake Kit

$237.96

SKU: K001 57S-4900

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The K&N 57S-4900 Performance Airbox is an aftermarket air intake system designed to replace restrictive factory components. It smooths and straightens airflow, allowing the engine to ingest more air for increased power and acceleration. This system includes a high-flow K&N air filter and a fully enclosed air box.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandK&N Engineering
Part NumberK001 57S-4900

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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