PORSCHE | CAYENNE [955] | 4.5L | V8 /TURBO S TWIN TURBO | (02-06) | FRI-0143GruppeM engineers design their intake systems as a fully integrated component of the vehicle. They aim to create the highest horse power throughout the engine rpm range that will enhance and deliver that driving experience every driver deserves. GruppeM products are put through rigorous testing and validation such as air flow testing using a SuperFlow SF600 flow bench, MAF voltage and more to deliver the power gains and performance you can feel.