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The aFe Silver Bullet throttle body spacer for 2006–2011 Honda Civic Si (L4-2.0L) is a CNC-machined billet aluminum spacer that lengthens the intake track and introduces serrated/helix turbulence at the throttle inlet. The design increases air speed, reduces intake whistle, and aims to improve throttle response while using factory mounting locations and a supplied gasket for a straightforward fit. This spacer fits models equipped with the factory intake system only.
aFe 06-11 Honda Civic Si Silver Bullet Throttle Body Spacer Kit L4-2.0L
