aFe Silver Bullet Throttle Body Spacer Kit for 21-23 Subaru Crosstrek

aFe Silver Bullet Throttle Body Spacer Kit (46-30005) improves throttle response and combustion for 2021–2023 Subaru Crosstrek. The precision-machined 6061-T6 billet aluminum spacer uses a Serrated/Helix design to create intake turbulence, enhancing fuel atomization and power output while reducing whistle noise. Finished in eye-catching orange anodizing, it installs using all factory locations for hassle-free setup and long-term durability. Key Features : Serrated/Helix design increases turbulence and combustion efficiency Reduces intake whistle associated with Helix-only designs CNC-machined 6061-T6 billet aluminum for strength and low weight Orange anodized finish provides corrosion resistance and style Enhances throttle response and low-end torque Easy installation using factory mounting locations No cutting or tuning required