GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter - Subaru Turbo Models (inc. 2015-2021 WRX / STI)

GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter Subaru Turbo Models RallySport Direct proudly carries a great selection of quality upgrades and accessories brought to you by GrimmSpeed.    This is the GrimmSpeed 3-Inch Downpipe To Stock Cat-Back Adapter. This adapter will allow you to adapt and properly seal an aftermarket 3-inch downpipe to a 2.5-inch OEM or OEM-like cat-back exhaust.    DETAILS: CNC laser-cut steel construction Designed with a flared adapter transition  Provides a smooth connection from a 3-inch aftermarket downpipe to a 2.5-inch cat-back exhaust system Flanged for an OEM donut gasket Simple bolt-on construction Will not obstruct exhaust flow Provides a leak-free seal Includes new hardware for the installation