Product Feature: 🚗The 31mm Type is suitable for displacement above 2400cc with exhaust pipe diameter around 56-85mm. 🚗Use a turbine system or a blow valve to make your vehicle sound like a turbo vehicle with the turbo system or blow off valve. About The Size: 🚗The measured length is only the length of the whistle, not the length of the fixing frame. 🚗Regarding size selection: please firstly measure the inner diameter of the exhaust pipe of your car. 🚗If the turbo whistle +10mm is greater than or equal to the inner diameter of your exhaust pipe, it cannot be installed. Installation Guide: 🚗Loosen the screw on the turbo whistle 🚗Insert the turbo whistle into the exhaust pipe, the larger opening facing to the inside of the muffler 🚗Tighten the bolts so that they do not fall off when driving 🚗Please check and re-tighten the bolts regularly Notice: 🚗The larger the caliber of the whistle, the louder the sound. 🚗Some cars may have very low sound or no sound due to the low thrust of the original exhaust pipe or the modification of exhaust pipe. 🚗The size of the sound is related to the thrust of the schedule. Too loud or too small is not a simple quality problem. Inspection: 🚗Professional installation is always recommended. 🚗Blow hard into the mouth of the whistle before use. 🚗If the whistle can be blown out, it proves that there is no problem with the whistle. 🚗If it cannot happen after installation, it may be a problem with the exhaust thrust of the car. Warm Tips about Refund & Return: 🚗Please carry out the return and exchange process in the Help Center or your order page. 🚗Please refer to 's return and exchange policy for the progress of return and exchange. Seller cannot interfere with the progress of the refund, please understand.
K**S
Doesnt work
No pieces to place it where it needed to go
L**S
Missing part(little screw)
Package come incomplete missing small screw
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