HKS RS US CIVIC Si

Marsoni

M251S

$253.00

Get it in 3 business days with 1 day shipping. Friday, May 29

HKS RS US CIVIC SiSKU: 70020 KH101 UPC: 4957266275542 HKS Racing Suction Intake Kit 2017 2021 Honda Civic Si The HKS Racing Suction (RS) intake kit replaces the factory airbox on 2017 2021 Honda Civic Si models with a high flow dry filter and large diameter aluminum pipe. This setup draws in cooler, denser air to support the 1. 5L turbo engine for quicker throttle response and measurable power gains across the RPM range. Engineered for direct bolt on fitment, it

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Just what my push mower needed! Very compatible with my Craftsman M220 push mower. It was the right replacement part and workings just like the original brand B&S plug. Gap was correct right out of the box as my push mower fired right up first pull. Would recommend for anybody with a Craftsman M220.

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Reviewed in the United States on April 14, 2026

Verified Purchase

mike c.

Massapequa, US

★★★★★ 5

Good spark

Good fit. Fired right up

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Reviewed in the United States on May 13, 2026

Verified Purchase

John Mooney