The HS15STIDTG Invidia N1 cat-back exhaust is a top - choice for 2015 - 2021 Subaru WRX and WRX STi owners. It comes with new gaskets and hardware. Made of Grade 5 Titanium, it has a 3.15 - inch piping diameter and a 4 - inch titanium exhaust tip. The non - resonated mid - pipe and dual - exit design give your Subaru a unique and powerful sound. It also includes a silencer. The exhaust hangers are welded at OEM locations for a direct fit. The Invidia N1 offers great looks, fit, and sound. It's easy to install: just remove the old quiet exhaust and install this one. If you're using the factory downpipe, you may need a catback adapter from GrimmSpeed, Invidia, or Torque Solution.
Using the Invidia N1 Titanium Cat - Back Exhaust is straightforward. First, make sure your car is turned off and cooled down. Remove the old exhaust system carefully. Then, install the Invidia N1 using the provided new gaskets and hardware. The exhaust hangers are already welded at the OEM locations, so it should fit right in. After installation, start your car to enjoy the new sound. As for maintenance, regularly check the gaskets and hardware for any signs of wear or looseness. Keep the titanium parts clean to maintain their look. Be aware that this exhaust is quite loud, so be considerate of your neighbors when using it. If you're using the factory downpipe, don't forget to get the appropriate catback adapter.
