Weapon R 06+ Civic Si Secret Weapon Intake

Improve the airflow to your engine with the Weapon R Secret Weapon Intake, part number wpn301-158-101. Designed for select 2006–2009 Honda Civic Si applications, this automotive intake system helps replace restrictive factory airflow components with a streamlined intake path. Its performance-focused design supports improved engine breathing and responsive throttle operation while maintaining a clean, purposeful appearance under the hood.
This Weapon R intake is engineered specifically for compatible Honda Civic Si models and is intended for enthusiasts seeking a direct-fit performance upgrade. The system is supplied as a complete intake solution for the listed application, helping deliver consistent airflow from the intake inlet to the engine. Installation should be completed using standard automotive tools and the manufacturer’s instructions, with all connections checked carefully before driving.
The Weapon R Secret Weapon Intake is EPA compliant and carries California Air Resources Board Executive Order D-489-3, making it a suitable choice for vehicles and regions where applicable emissions requirements must be considered. Verify your vehicle’s exact year, trim, and engine configuration before ordering to ensure proper fitment. This intake is compatible with the listed 2006, 2007, 2008, and 2009 Honda Civic applications, including repeated model-year listings provided for the fitment record.

Features:

• Designed for 2006–2009 Honda Civic Si applications

• Weapon R Secret Weapon intake system

• Part Number: wpn301-158-101

• Performance-oriented intake path supports improved engine airflow

• EPA compliant

• CARB Executive Order: D-489-3

• Application-specific design for compatible Honda Civic models

• Automotive replacement performance component