# MenkyoQuest — Question ch8_q052

Chapter: Ch. 8 Motorcycles
Section: 第６節 その他注意しなければならないこと
Type: True/False
Difficulty: medium

## Question
Removing the muffler core or drilling holes in the muffler reduces noise, so such modifications are prohibited.

## Correct answer
False

## Explanation
The text states that "removing the muffler core or drilling holes in the muffler increases noise." The statement is incorrect because such modifications "increase" noise rather than "reduce" it, which is why they are prohibited.

## Driving school curriculum
Stage 1 – Topic 1: Driver's mindset

## Source passage (Rules of the Road)
１ 改造の禁止 - マフラーのしんを抜いたり、マフラーに穴を開けたりすると騒音が大きくなるので、このような改造をしてはいけません。

## Tags
改造禁止, マフラー, 騒音, 引っかけ問題

## Related links
- HTML version: https://www.menkyoquest.com/en/q/ch8_q052
- Try the full chapter quiz: https://www.menkyoquest.com/en/quiz/ch8
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Source basis: National Police Agency's official Rules of the Road manual (Public Domain under Article 13 §2 of Japan's Copyright Act).
Copyright on AI-drafted explanations belongs to the MenkyoQuest team.