HS15SW4G3S
2015-2021 Subaru WRX STi
- New gaskets and hardware
- 304 stainless steel construction
- 3″ Inch piping diameter
- 4″ Inch stainless tip
- Exhaust hangers welded onto the OEM locations to make for a direct fitment
Notes: Ask yourself: “Do I love the rumble?” Your answer is definitely yes if you’re reading this. The Q300 for the VA chassis is sweet! 3″ tubing, mandrel bent, CNC cut flanges…sweet stuff for sure. Don’t forget if you have the factory downpipe, this adapter is needed so it will fit nicely 🙂