Grail Audi RS6 C7 Yaris Tests were conducted back to

Tests were conducted back to back with the stock airbox and multiple runs were made with each configuration

enhancing your vehicle's front end with a clean gloss black look

It is based on our many years of experience as a chassis manufacturer and supplier in international motorsports such as in the touring car series ADAC GT Masters

The efficiency of a turbocharged engine is directly influenced by the intake air temperature (IAT) and the back pressure in the system

friction coefficient of 0

Grail Audi RS6 C7 Yaris Tests were conducted back toLoud but Legal GRAIL flap exhaust systems with ECE type approval can be used on your EU vehicle without registration. They are made by hand in Germany from high quality L304 stainless steel and produce an unmistakable sound that will give you goosebumps the first time you start the engine. If you are driving an imported vehicle with an operating license, please find out before purchasing whether you need to have the exhaust system registered in your