The HS15SW4BGR1GT Invidia N1 Cat Back Exhaust is a top - notch choice for 2015 - 2021 Subaru WRX and WRX STi models. It comes with new gaskets and hardware for easy installation. Made of 304 stainless steel, it's durable and long - lasting. The 3 - inch piping diameter and 4 - inch titanium exhaust tip give it a sleek look. With a non - resonated mid - pipe and single - exit design, it delivers a powerful and aggressive sound. It also includes a silencer. The exhaust hangers are welded onto OEM locations for a direct fit. This exhaust is known for its great sound, fit, and appearance. It's not the quietest option, but it will definitely make your Subaru stand out. If you're using the factory downpipe, you'll need a catback adapter from GrimmSpeed, Invidia, or Torque Solution. It's a cost - effective choice for those seeking a loud single - exit exhaust.
Using this Invidia N1 Cat Back Exhaust is a breeze. First, turn off your car and make sure it's cooled down. Then, remove the old, quiet exhaust from your 2015 - 2021 Subaru WRX or STI. Take the new Invidia N1 exhaust and use the included gaskets and hardware to install it. The exhaust hangers are already welded to the OEM locations, so it should fit right in. Once it's installed, start your car and enjoy the new sound. Remember, if you're using the factory downpipe, you need to get a catback adapter from GrimmSpeed, Invidia, or Torque Solution. As for maintenance, keep an eye on the exhaust for any signs of damage or rust. Since it's made of 304 stainless steel, it's quite durable, but regular cleaning can help keep it looking great. If you notice any loose parts or strange noises, have it checked out by a professional.
