Billet aluminum boost / juice box. Improves throttle response, quicker acceleration, and overall performance. Our test showed a 1.2mph top speed gain. Reduces intake noise. Works with stock carb, TSi HP carb, and ADA HP carb. Carb mounts directly to boost box, no additional intake manifold required!

GSR40 - GSR40TSi - G43L Engine
Juice Box G43 GSR ADA Racing Booster