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K&N E-0668 Air Filter – Audi R8 4.2L
K&N E-0668 washable air filter for Audi R8 4.2L naturally aspirated V8. Track performance, cotton gauze, precision OEM fit, reusable.
Description
The K&N E-0668 is a track-grade washable, reusable air filter for the Audi R8 4.2L naturally aspirated V8 supercar. The R8 4.2L's naturally aspirated mid-mounted V8 revs to over 8,000 rpm and demands unrestricted, clean airflow throughout its entire rev range. K&N's oiled cotton gauze construction provides the R8's engine with maximum intake air volume, supporting its naturally aspirated power delivery from idle to redline.
The E-0668 is a precision-fit replacement for the R8 4.2's factory airbox and is reusable with K&N's filter care kit — a fitting permanent upgrade for one of Germany's most revered naturally aspirated engines.
Key Features:
- K&N Part No. E-0668 — precision fit for Audi R8 4.2L V8 airbox
- Track-grade cotton gauze for naturally aspirated supercar performance
- Maximum airflow from idle to 8,000+ rpm redline
- Drop-in OEM airbox housing — no modification
- Washable and reusable — lifetime performance filter
- USA-manufactured, ISO 9001:2015 quality standard
Specification
Dimensions
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Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.
