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Home of the fastest Naturally Aspirated Miata w/stock internals 8.9 sec. 1/8 Mile and 13.9 Sec. 1/4 Mile 130 RWHP
>>>Track Records On Road Circuits In Japan
>>>Same IRTB Hardware Used By Top Japanese Tuning/Racing Shops J's Racing (HONDA),A-RF (MAZDA) and Auto Garage Loft (TOYOTA)
FujiRacing JDM IRTB's
In Japan Sports Injection is IRTB
In the U.S.A. ITB Individual Throttle Body or IRTB Individual Racing Throttle Body
See what professional race car drivers to enthusiasts have to say what their experience was like after driving a FujiRacing IRTB equipped Miata and S2000
Air Horns-Short Intake Manifold-Throttle Bodies = More Flexible Tunability For Performance
Toyota AE-101,AE-111 And The Fastest 4 Cylinder Naturally Aspirated Car Uses The Same IRTB Design/Concept As Ours
