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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
verify your truck's configuration before ordering
Skunk2's track- and street-tested Pro-S II shock valving offers the perfect balance between daily driving and track performance and its all-new
rigid material resists flex and cracking over time
Improved throttle response
SPDZ1 K Series Header Downpipe 12-15 Civic Si & 13-15 Acura ILX Stainless Bellmouth 18-19 Porsche 911 GT3 RS (991.2) verify your truck's configuration beforeSPDZ1 K Series Header Downpipe 20122015 Honda Civic Si 20132015 Acura ILX K24 (9th Gen) Unleash the full potential of your K24 with the SPDZ1 K Series Header Downpipe, engineered for maximum flow, durability, and performance. Designed for 9th Gen Civic Si and Acura ILX models, this header downpipe eliminates factory restrictions to deliver serious horsepower and torque gains, faster turbo response, and a more aggressive exhaust note. Crafted from 304