D Series Shifter Knob Box Version 2 For Honda Acura Civic Si EG EK D15 D16 D16 D17 DC Japanese We improve driving performance when

We improve driving performance when shifted hard and during demanding racing applications

these headers are engineered for real-world gains and deliver measurable improvements in power and throttle response across the RPM range

this modification helps reduce the risk of knock and detonation—two common contributors to EJ-series engine failures such as ringland damage

X-Pipe Included – Optimizes exhaust tone & flow for balanced performance

Amber/White LED Switchback Turn Signal Lights for improved functionality and visibility

D Series Shifter Knob Box Version 2 For Honda Acura Civic Si EG EK D15 D16 D16 D17 DC Japanese We improve driving performance whenStarting at the bottom we have replaced the white plastic cage that holds the ball with a Delrin bushing. Delrin is used as it is one of the strongest plastics available, it is resistant to chemicals which is great for automotive applications. Delrin also has high abrasive resistance and low coefficient of friction which basically means it will shift smoothly when you first get it and for a long time. This will give you a tighter feel than the