Armytrix Stainless Steel Valvetronic Cat Back Exhaust System (90mm)Godzilla, a name with legendary heritage associated with devastating power; the GT R has done everything to live up to this lofty moniker. Attack the boundary of conventional performance expectations; our 90mm exhaust pipes offers the surge of exhaust gases in greater quantity and speed without compromising efficiency. Build with care, executed with precision, power comes smooth and easy; give it a tap and prepare for lift off. The exhaust roar