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We will reply to you as soon as possible.

01What are the advantages of electronic valve control exhaust system?

Electronic valve control exhaust system basically upgrades two areas: performance andsound. Electronic valves are more sensitive.Performance: When the valve is closed, torque can be greatly increased in the lowerRPM range. When the valve is open, horsepower can be greatly increased in the higherRPM range.Sound: With the valve closed, the exhaust sound exactly as comfortable and quiet asstock. All vibrations, annoying frequencies within the car that resonate at certain RPM'sare canceled. So the driver and passenger will be able to experience a comfortable andrelaxing ride. By opening the valves, the exhaust sound becomes as amazing as thesport.

02Does the car will lose low-torque after modifications? Will gas mileage increase? Will itboost power?

The valve model exhaust auto mode is a combination of low-torque plus high RPMhorsepower. At low RPM, the valve closes to increase back pressure and increaselow-torque. At high RPM, the valve opens to increase the smoothness of the exhaust andincrease horsepower.Without valve, the return pressure is fixed. lt is basically controlled at low RPM withoutloss of low-torque, This setting increases power at high RPM. Modifying the cat-back

exhaust won't increase fuel consumption.

03What products does your company produce?

Kamlung Auto Parts Co,Ltd. is a production enterprise specializing in the researchdevelopment, production and sales of automotive exhaust systems.The products developed and manufactured by our company are suitable for the followingmodels:BMW, Mercedes-Benz, Audi, Maserati, Porsche, Cadillac, Land Rover, McLaren,Ferrari as well as other supercar series and other world-famous automobile brand carseries more than 2,000 kinds of vehicles.

04How to deal with the product if it can't be installed in the car or has quality problems?

All of our products are produced based on the molds of the corresponding car models. And the molds are made according to the original car chassis data one to one restoration. Theoretically, there will not be a situation where you can't installed in the car.

All of our products need to go through three times quality inspections and three times mold checks before shipment. In order to ensure that the products can be installed in the car at the same time the quality of the product is also extremely high requirements.
If customers are not satisfied with our products, they can tell us specific reasons and claims. We will respond at the first time and deal with it to make a satisfaction as soon as possible.

05Are all models produced?

Our company has more than 2000 kinds of common model data. Meanwhile, we receive customized orders from customers all over the world every day, with product data or samples provided by customers. Our company has 3D scanner that can directly scan the samples and quickly form the data to put into production. In addition, if the order doesn‘t have data or sample, our company can also adjust the sample according to the customer's requirements, scanning to form the data before production.