Why the Full Race Downpipe 9th Gen Si Rules the K24Z7
If you're looking to wake up your K24, installing a full race downpipe 9th gen si is probably the single best bolt-on mod you can do for the money. If you've spent any time on the forums or in Facebook groups, you know that the 2012–2015 Civic Si is a bit of a polarizing car. People love the torque of the 2.4-liter engine, but they miss the high-revving craziness of the old 8th gen. The biggest thing holding the 9th gen back from the factory isn't the lack of displacement; it's how the car breathes. ...