Cobb SS 3in Cat-Back Exhaust Hardware Kit - 2015-2021 Subaru STI PDM_light-mounting-and-hardware Constructed from 5052 Aluminum with

Constructed from 5052 Aluminum with a

rear end precision reduces

and 1M each have different factory calibration starting points and receive independently developed maps — particularly the 1M

Stainless steel shims for precision and longevity

Cobb SS 3in Cat-Back Exhaust Hardware Kit - 2015-2021 Subaru STI PDM_light-mounting-and-hardware Constructed from 5052 Aluminum withCobb SS 3 Inch Cat Back Exhaust Hardware Kit 2015 2021 Subaru STI The Cobb SS 3 Inch Cat Back Exhaust Hardware Kit for the 2015 2021 Subaru STI provides replacement hardware for the Cobb stainless steel 3 inch cat back exhaust system. Use when original hardware is missing, damaged, or requires replacement during reinstallation of the Cobb cat back. DETAILS Replacement hardware for Cobb SS 3 inch cat back exhaust Platform: 2015 2021 Subaru WRX STI