The K&N E-2730 high-flow air filter is designed for the Honda Civic with a 1.3 L4 engine. It is compatible with Civic III Hatchback and Sedan models equipped with a 1.3 engine, 1,342 cc and 71 PS, as well as the CRX I Coupe 1.3 (AF1) with the same specifications, for model years 1983–1987.
- Type: High-flow air filter
- Brand: K&N
- Model: E-2730
- Compatibility: Honda Civic III Hatchback 1.3, 1,342 cc, 71 PS, 1983–1987; Honda Civic III Sedan 1.3 (AJ, SC9), 1,342 cc, 71 PS, 1983–1987; Honda CRX I Coupe 1.3 (AF1), 1,342 cc, 71 PS, 1983–1987