MAP WRX Catted Downpipe Rev 4 | 2015-2021 Subaru WRX MT (WRX-4G-DPC-REV4)

  2015-2021 Subaru WRX MT Rev 4 Catted Downpipe by MAPerformance When the turbo compresses exhaust gas, it's forced through a narrow downpipe on its way through the exhaust system. This narrow pipe can create lots of turbulence. This air pressure needs to go somewhere, and the factory 2015-2021 Subaru WRX downpipe is a huge bottleneck, limiting flow and robbing power. An upgraded downpipe will allow this spent exhaust gas a quicker outlet to the exhaust system, increasing horsepower and torque through the entire power band! Features 3.5" bell mouth to 3" design reduces exhaust restrictions Made from 304 stainless steel for superior corrosion resistance and enhanced appearance Mandrel-bent tubing throughout optimizes exhaust flow Stainless steel flex section reduces stress from engine movement increasing longevity Utilizes OEM ground strap Designed to be used with your OEM turbo outlet gasket 304 stainless steel CNC turbo outlet flange 100% Made in the USA Please Note: This will not