If you want to a unique car, you can modify the interior materials, colors, configurations, and even detailed logos. But more car fans are not satisfied with such customization,and prefer to completely follow the Build their own car according to their own needs.GRWA has made new improvements to the

Three-way catalytic converter thefts soar 400% in Houston, and cars parked in front of homes are also stolen！

The heart of young people is always hot. After owning the first car in life, the biggest problem may be-how can this car be changed to be cooler?

Topic of this issue： #A serious talk about modification#——What styles of modification have you made for your car? Please comment on the precious photos and memories in the message!

About modification, it’s always a subject which sounds simple but difficult to do. The so-called car modification actually originated from motor sports. In order to pursue their own safety and extreme speed, the racers opened the door to the modification road started at the foot of a trample.

At this stage, various countries have stricter and more stringent standards for vehicle exhaust, requiring lower emissions of nitrogen oxides and particulate matter, and adding new restrictions on the number of particles. In order to meet the national VI (Euro VI) emission standards, domestic Major main engine manufacturers have shown their talents one after another, either reducing engine power or upgrading exhaust gas treatment.

Updated standard of exhaust system An aftermarket performance exhaust can free some of the power in your engine. These systems allow for a quicker, more efficient path for exhaust gases to escape. This means your engine "breathes" better, so spent fuel and air exit the combustion chambers faster wit

History of exhaust system An automotive exhaust system consists of all of the pipes and other components that are designed to carry exhaust gasses away from the combustion chamber. The development of exhaust system experiences a long history, due to the enaction of some laws or the birth of some cut