@bomrangsitph: After Market Testing Procedure Done By COL. Bosita 👮‍♂️ 📍 Used a calibrated sound level meter (decibel meter). 📍 Place the meter @ • 50 centimeters (0.5 meter) from the exhaust tip • At a 45-degree angle • At the height of the exhaust outlet 📍 @2500 RPM. • Maintain that RPM briefly (2–3 seconds) for accurate reading. 📍 Maximum allowable noise level: 99 DB 📝 If the reading is below or equal to the limit → PASSED 👌🏻✅ ❌If the reading exceeds the limit → FAILED #bosita #colbosita #aftermarketpipe #icph #fyp #bomX