Tein S.Tech Lowering Springs - Subaru Impreza STI 08-14 Mitsubishi-Evo X-2014 IE engineers have fully optimized

IE engineers have fully optimized every aspect of the factory ECU maps along with removed speed limiter

Note: The Radium 20-0591-02 fuel rail is not included and must be purchased separately

No other aftermarket Subaru intake system utilizes these critical design elements

Thread Size: 1/8" NPT

Tein S.Tech Lowering Springs - Subaru Impreza STI 08-14 Mitsubishi-Evo X-2014 IE engineers have fully optimizedTein S. Tech is a progressive rate lowering spring set that gives a moderate, good looking drop while keeping a comfortable ride on the factory dampers. It lowers the centre of gravity for flatter cornering and a tidier stance without harshness. Features Progressive rate spring design for ride comfort and control Moderate lowering for improved stance and handling Designed to work with the factory dampers No sag SAE9254 cold formed springs with durable