Grail Audi RS6 C7 Yaris ECU programming may be required

ECU programming may be required

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

it will be too difficult for the turbocharger to get the air it needs

Thanks to the adjustable multi-valve technology

Grail Audi RS6 C7 Yaris ECU programming may be requiredLoud 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