GREDDY EXHAUST ADAPTER: CIVIC SI SEDAN 12-15 Honda Ridgeline ACT Heavy Duty pressure plates

ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load

Boost control solenoid and all necessary hardware included

throughout mid-range/top

The exposed filter element allows for audible intake noise

GREDDY EXHAUST ADAPTER: CIVIC SI SEDAN 12-15 Honda Ridgeline ACT Heavy Duty pressure platesFITS: 9th Gen Honda Civic Si sedan THIS IS A SPECIAL ORDER ITEM BEFORE ORDERING: This is the adapter for the Greddy Exhaust only. About the exhaust this is meant for: The Supreme SP, for the 9th Gen Civic Si features our signature GReddy layout, styling and sound, with new revised piping diameter. It is designed to be compatible with both coupe and sedan Si models. The straight through resonator and specially made oval muffler with off set extended