Invidia Catted Downpipe w/ 2 Bungs - 2015-2021 Subaru WRX (Manual) PDM_radiator-shrouds Exotic and race-inspired looks in

Exotic and race-inspired looks in the engine bay

9 LSU Sensor for the most accurate readings

A direct bolt-on

ISO Certified

If you'd like a full set please add 4 qty

Invidia Catted Downpipe w/ 2 Bungs - 2015-2021 Subaru WRX (Manual) PDM_radiator-shrouds Exotic and race-inspired looks inThe Downpipe: Where Stage 2 Starts on the VA WRX STI The Invidia Catted Downpipe for the 2015 2021 Subaru WRX STI (manual transmission only) replaces the factory downpipe with a 3 inch stainless steel unit. The high flow catalytic converter maintains emissions compliance while significantly outflowing the restrictive factory unit. A tune is required after installation. High Flow Cat: Compliant and Free Flowing The high flow catalytic converter