Invidia Q300 Single Layer Burnt Quad Tip CatBack Exhaust 2015-2021 Subaru STI WRX | HS15STIG2T 200 The GTX4202R is a great

The GTX4202R is a great option for a large displacement low/mid boost setup or a lower displacement high boost setup

Designed to work with the OEM Top Mount Intercoolers and PERRIN Top Mount Intercooler

Includes GrimmSpeed 3" 2x Thick Gasket (For a PERFECT seal

Part Number: PRO2048C

These can handle up to 8200RPM and 20LBS of boost due to new Chromoly valve spring seats and light weight titanium retainers

Invidia Q300 Single Layer Burnt Quad Tip CatBack Exhaust 2015-2021 Subaru STI WRX | HS15STIG2T 200 The GTX4202R is a greatHS15STIG2T Fitment Information: Subaru WRX 2015 2021 Subaru WRX STI 2015 2021 Features: Hardware & gaskets included Single layer titanium burnt tips 304 stainless steel materials 3" Inch piping diameter 4. 33" Inch tips Exhaust hangers welded on to the OEM locations to allow for a direct fitment Note: The Q300 exhaust system utilizes specially sized resonators and muffler baffles to maintain power output while still producing a deep and mellow exhaust