Silver Bullet throttle body spacers create turbulence in the air flow at the point just before entry to the engine – increasing performance, as well as improving throttle response.
Serrated/Helix Design: The Serrated/Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated/Helix combination design also reduces intake whistle that occurs with Helix only designs.
6061-T6 Billet Aluminum Construction: All Silver Bullet Throttle Body Spacers are constructed from 6061-T6 billet aluminum precision machined for light weight, high strength and perfect fit and finish.
Features
- Dyno-Proven Gains up to +2 HP & +2 Lbs. x Ft. TQ
- CNC-Machined from 6061-T6 Billet Aluminum
- Unique Serrated/Helix Entry Design Creates Turbulence and Reduces Whistle Sound
- Increases Air Speed, Improving Performance and Throttle Response
- Orange Anodized for a Long-Lasting Finish
aFe Silver Bullet Throttle Body Spacers TBS 22-23 Toyota GR86 H4-2.4L - Orange
- ›Max gain Horse Power: +2 HP
- ›Max gain Torque Max Gains: +2 lbs. x Ft. TQ
- ›Category: Throttle Body Spacers
- ›UPC: 802959469002
Vehicle fitment
Estimated fitment — verify before purchase| Years | Make | Model |
|---|---|---|
| 2022–2023 | Toyota | GR86 |
- Engine: H4-2.4L
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | AFE Power |
| Part number | 46-38013 |
| Max gain Horse Power | +2 HP |
| Max gain Torque Max Gains | +2 lbs. x Ft. TQ |
| Category | Throttle Body Spacers |
| UPC | 802959469002 |
| Category | Exhaust & Performance |

Worth adding
Useful in any truck — ships separately in its own box.
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