The GT-R can be a serious competitive racing machine, but one thing it greatly benefits from is weight loss. All aspects of performance can be increased simply by losing weight, from acceleration, braking and handling, everything will benefit from decreasing weight. Replacing your heavy exhaust with the Invidia Titanium Catback will give you maximum performance with its feather weight materials and straight through design allowing you to extract the most power from your engine while keeping weight to a minimum. Invidia uses the highest quality Titanium and mandrel bends giving you a great looking exhaust with amazing sound that will last a lifetime. This is a proper racing exhaust for those looking for the ultimate in power, sound and performance.