This catback exhaust system utilizes the unique silencer structure of the 5Zigen, creating an invigorating and thoroughly penetrating sound like that of N1 machines, while satisfying the sound volume regulations stipulated by ministerial ordinances. Skilled race engineers have done precise formation of the tail end of the 5Zigen by hand, using a catling for finish processing. GN+ demonstrates powerful high performance equal to racing standards. Piping 2.38-2.75 inches... Tip 4-6 inches. Sizes depend on turbo application.

Standard Catback exhaust installation installs.