Keep your vehicle's emissions in check with maintenance to the exhaust system. The catalytic converter and mufflers help your vehicle exhaust cleaner emissions while maintaining more engine power. At GRWA, we can keep your car running efficiently so that it can run as fast as a mediocre and clean driving machine.

Although their primary function it’s like to expel exhaust, but actually have many other functions that are beneficial to your automobile. As you drive your car around, your engine–though working efficiently–produces a lot of pulsating noise. This is due to the exhaust valves opening up and releasing gas that’s extremely pressurized. These sounds travel to the exhaust pipe of your vehicle where the noise grows significantly louder. This is where the muffler working. The muffler was made to minimize any noises made by the high-pressure gas. However, this is not the only thing that mufflers do.

Blieve that friends who have changed the exhaust pipe know that the exhaust pipes that they buy and change are generally made of stainless steel. Even some high-end exhaust pipes are made of titanium alloy. Have you ever considered why these materials are used for exhaust pipes?

The exhaust manifold is connected to the engine, and the length and shape of the manifold can affect the performance of the engine by affecting the airflow. Related to engine performance, the exhaust manifold has a greater impact, and the back pressure caused by the exhaust system.

As the most important travel tool for current urban life, cars have become an important part of people's lives in all regions of the world.

Today, as usual, GRWA customer consultant Linda came to the company early in the morning to turn on the computer, made a cup of tea, and opened the mailbox casually, and then received more than 40 unread emails that disturbed her thoughts in just one night. This situation has been going on for a long time. Linda took a sip of tea and started to deal with work enthusiastically.

There’s one commodity that’s seen a phenomenal gain in prices this year that may have been missed by some investors: rhodium’s value has climbed by more than 50%, extending a rally that saw prices for the metal nearly triple in 2020.

In today's rapidly evolving global economy and technology landscape, new energy vehicles (NEVs) are transforming our modes of transportation at an unprecedented pace. With the increasing global emphasis on environmental protection and the transformation of energy structures, NEVs, especially hyb