Automobile modified whistle tail section straight exhaust pipe sounder exhaust whistle exhaust pipe whistle sharp whistle

Notice before, if you have contacted the customer service before that the displacement of the car we suggest you buy which model, if it does not ring you can contact us to return the goods oh, we are responsible for the freight! If you didn't contact us to tell us the displacement of the car, you can also return it if it doesn't blow up after you buy it. But you have to bear the round-trip freight by yourself! If it is the quality of the goods, we are responsible for the round-trip freight! Small 18MM medium 23MM large 27MM xl 31MM Note: the size of the sound is different depending on the size. The bigger the number, the louder the sound. Please confirm the inner diameter of the exhaust outlet before purchase. If the diameter of the whistle is greater than or equal to the inner diameter of the exhaust outlet after adding 1CM, it will not be installed. Notice at the same time, the size of the voice is associated with exhaust thrust and personal feelings, feeling after installation voice is too big or too small, not as a product quality problem, individual cars because the original car or modified tail gas thrust may sound very small or no sound of the drum, the product description: this is an imitation of the turbine pressure sound whistle, clamp is installed on the exhaust pipe aluminum whistle, through the exhaust pipe of the air flow to make it sound. Installation instructions: clamp to the tail mouth of the exhaust pipe. Delivery time: we will deliver the goods to you within 24 hours after the products are snapped up. If the goods cannot be delivered within 24 hours due to special circumstances, we will contact you in time for explanation.