Since its release, the Nissan R35 GT-R has been in need of high flow downpipes. Enter Agency Power with the new stainless steel downpipes designed to fit either the stock or any aftermarket exhaust system. Constructed of durable, high quality 304 stainless in a full 3" diameter. The improved flow from the larger diameter pipes produce more power, keep boost pressure up and provide improved throttle response for you R35 GT-R. Each downpipe has oxygen sensor bungs, thick flanges and sturdy hangers. Agency Power has seen gains of 40hp and 20 ft/lbs torque from the catless pipes! Choose from the maximum flow catless version or the high flow catted pipes.