| 摘要 |
PROBLEM TO BE SOLVED: To improve the engine torque by a simplified configuration. SOLUTION: A tip side part 7b of a branch pipe 7 of an intake manifold 6 is bent downward, a surge tank 8 is connected to the tip side part 7b, and a throttle body is offset so that it is out of a lengthening direction X. Since the tip side part 7b is bent downward and the branch pipe 7 becomes longer that much, the torque of an engine 1 in low, medium speed area can be improved. Further, by bending the tip side part 7b downward to improve the torque of the engine 1, a space between the branch pipe 7 and the engine 1 can be effectively utilized. Since the throttle body is offset so that it is out of the lengthening direction X, and thus the length of an intake pipe 10 is increased that much, transmission of vibration of the engine to a car body can be suppressed.
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