99-00 Honda Civic SI EM1 4-1 Style Header Stainless Steel Turbocharger Maintains all factory controls —

Maintains all factory controls — horn

✅ 3-piece complete set + wiring harness

This upgrade replaces factory head bolts with high-strength studs to provide improved clamping force and better head gasket sealing under increased pressure and performance use

It mounts at factory attachment locations — no drilling or frame modification required

secure installation directly to the factory RS5 front bumper

99-00 Honda Civic SI EM1 4-1 Style Header Stainless Steel Turbocharger Maintains all factory controls —99 00 Honda Civic SI EM1 4 1 Style Header Stainless Steel Stainless steel 4 1 header built for the EM1 platform to improve exhaust scavenging and flow. This header consolidates four runners into one outlet, reducing backpressure and freeing up power in the midrange. Constructed from mandrel bent stainless steel for durability and corrosion resistance. Stainless Steel Construction 4 1 Collector Design Ships from FL Warehouse Key Features Mandrel bent