street racer
Refers to a person who engages in illegal or high-speed street racing, often associated with car or motorcycle culture.
夜中の峠は走り屋が集まる場所だ。
The mountain pass at night is a place where street racers gather.
Compound of 走り (hashiri, 'running/driving', the continuative form of 走る) and 屋 (ya, 'shop/person'), literally 'running/driving person'. The exact origin is uncertain, but it likely emerged in car enthusiast subcultures.