Mitsubishi SS 3" Downpipe EVO X 2008-2015, Ralliart 2009-2015

The trailing-end flange uses the stock donut gasket and factory spring bolts to aid in flex, longevity and proper fitment. A bespoke cast 3" flat flange provides a true mating surface at the O2 housing. These features provide an improved seal compared to other methods, as well as reduced noise.