【DIY】インナーサイレンサーに加工して音量測定してみた。

BE FREE muffler # 100 yen steel stainless steel # muffler noise control # muffler volume measurement # s13 Silvia [Description] [Seria] Steel scrubber 8 pieces Stainless steel scrubber 4 pieces [Amazon] Inner silencer 115φ (actual outer diameter 109mm) Stainless steel !-- START MoshimoAffiliateEasyLink -- script type="text/javascript" (function(b,c,f,g,a,d,e){b.MoshimoAffiliateObject=a; b[a]=b[a]||function(){arguments.currentScript=c.currentScript ||c.scripts[c.scripts.length-2];(b[a].q=b[a].q||[]).push(arguments)}; c.getElementById (a)||(d=c.createElement(f),d.src=g, d.id=a,e=c.getElementsByTagName("body")[0],e.appendChild(d))}) (window,document,"script","//dn.msmstatic.com/site/cardlink/bundle.js?20220329","msmaflink"); msmaflink({"n":"Spiegel Inner Silencer 115φ (actual outer diameter 109mm) Stainless steel chrome plated silver For passenger cars","b":"Spiegel","t":"SA115-90001","d":"https:\/\/m.media-amazon.com","c_p":"\/images\/I","p":["\/21PjbnS92VL._SL500_.jpg","\/31CspFmz3fL._SL500_.jpg","\/41ja28ayJvL._SL500_.jpg","\/41piyY46K3L._SL500_.jpg"],"u":{"u":"https:\/\/www.amazon.co.jp\/dp\/B 0BM8NPZGN","t":"amazon","r_v":""},"v":"2.1","b_l":[{"id":1,"u_tx":"View on Amazon","u_bc":"#f79256","u_url":"https:\/\/www.amazon. co.jp\/dp\/B0BM8NPZGN","a_id":3169209,"p_id":170,"pl_id":27060,"pc_id":185,"s_n":"amazon","u_so":1}],"eid":"3qqQ9","s":"s"}); /script div id="msmaflink-3qqQ9" link/div !-- MoshimoAffiliateEasyLink END -- NCS MUSIC↓ Song: NEFFEX & TOKYO MACHINE - Desperate [NCS Release] Music provided by: NoCopyrightSounds Free download/stream: http://ncs.io/TM\_Desperate Watch: http://ncs.lnk.to/TM\_DesperateAT/youtube [Past videos] [DIY] Replaced with a diagonal-flip-up cannonball straight muffler. I tried measuring the volume.    • 【DIY】斜め跳ね上げ砲弾ストレートマフラーに交換。音量測定してみた。   [DIY] Replaced aftermarket taillights    • 【DIY】社外テールランプ交換   [S13 Silvia] I tried putting stretched tires on a 9J!    • 【S13シルビア】9Jに引っ張りタイヤ履かしてみました！   [S13 Silvia] Replaced with RECARO seats and installed 4-point seat belts!    • 【S13シルビア】RECAROシートに交換と4点式シートベルト装着！   [Security] Your car is being targeted! The best combination of 3 types of security items!    • 【セキュリティ】あなたの車は狙われている！防犯グッズ3種類の組み合わせが最強！   [Latest in 2025] ATOTO X10 The most advanced and powerful Android navigation system. The dashcam connection is also amazing! We replaced the navigation system and installed the audio and dashcam all at once!    • 【2025最新】ATOTO X10 最強に進化した超高性能Androidナビ　ドラレ...   [S13 SILVIA] Purchased again after 30 years! I was impressed by the beautiful drift-spec car!    • 【S13 SILVIA】30年ぶりに再び購入！ドリフト仕様の美車に感激！