HKS Super Turbo Muffler | Nissan GT-R R35 (09+) VR38DETT (31029-AN010)Low exhaust pressure is achieved using a straight pipe geometry with a main pipe that is D70mm x 2 to D60mm x 4 and a middle pipe that is D101. 6mm. Additionally, a dynamic rear visual appeal is obtained by making the inner and outer tails different in diameter. The exhaust flow path is completely unrestricted to accommodate the increase in performance modifications, and a large capacity silencer is combined with it to produce a high level of