Improve exhaust flow, faster turbo response time and power gains The COBB Tuning Mitsubishi EVO X Downpipe features a widened diameter of 3' for increased flow of exhaust gases from the turbo charger to allow for improved horsepower and torque. The downpipe is constructed of 304 stainless steel, mandrel bent tubing, which can be fitted to the OEM exhaust or the COBB Tuning EVO X Test Pipe. Description The trailing-end flange uses the stock donut gasket and factory spring bolts to aid in flex, longevity and proper fitment. This provides an improved seal compared to other methods, as well as reduced noise. Downpipe Features Minimal bends for less restriction 304 stainless steel throughout for corrosion resistance Custom spun metal substrate high flow cat Two O2 bungs for factory sensors Stock donut gasket for optimal sealing and long life Application Guide: Make Model Years Mitsubishi EVO X (GSR) 2008-2014 Mitsubishi EVO X (GSR SE) 2010-2011 Mitsubishi EVO X (MR/MR-T) 2008-2014 Mitsubishi Ralliart 2009-2014