Picking the Best 2013 Civic Si Downpipe for Your Build
If you're looking to wake up your K24Z7, swapping out the stock 2013 civic si downpipe is probably the single best bolt-on mod you can do for the money. Let's be real—the factory exhaust setup on the 9th Gen Civic Si is pretty restrictive. Honda had to meet all sorts of emissions and noise standards, which meant they basically stuffed a giant cork right at the exit of the exhaust manifold. If you want that engine to breathe and actually feel the power it's capable of making, you've got to address that bottleneck. ...