K20 K20Z3 K24 06-11 Honda Civic Si FG2 FD FA K-Series Tri-Y 2.5″ Header Exhaust 2.0L 2.4L 8th Gen FA5
$128.68
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Estimated delivery dates: Dec 28, 2025 - Dec 29, 2025
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Description
- 4-2-1 race manifold configuration for balanced power delivery
- Mandrel-bent tubing for smooth airflow transitions
- TIG-welded 304 stainless steel construction with heat-resistant coating
- CNC-machined flanges for precise fitment
- Header gaskets and donut gasket included
- Built-in O2 sensor extension for ECU compatibility
- Estimated 10-15 hp/tq gains
- Includes all gaskets & hardware
- 1 year warranty
Fitment:
2006-2011 Honda Civic Si (only)
FA5 – FG2 Chassis
K20Z3 Motor and K24 Swaps
