Nissan Skyline R35 GTR titanium mid y pipe will suit standard dump pipes and rest of exhaust system , either standard or aftermarket 3 or 3.5 inch This y pipe is Australian made and we are using 1.2 mm wall thick titanium not like most imported you have seen paper thin . Our y pipe goes from twin 3 inch to 89mm outlet with 6 mm titanium flanges
Also we using true 3 inch flex joints not like others less than 2.5 inch installed on 3 inch titanium tube , we provide repair service those poor designed titnium Y-pipes