• New gaskets and hardware
• 304 stainless steel construction
• 3" Inch piping diameter
• 4" Inch titanium exhaust tips
• Resonated mid pipe
• Single-exit design
• Includes silencer
• Exhaust hangers welded onto the OEM locations to make for a direct fitment

Notes: The Invidia N1 is one of the best sounding, fitting and looking cat-backs you can get for your GR/GH WRX. It's easy, remove old quiet exhaust, install Invidia N1, turn car on, profit. Just kidding, but it's really that easy. Don't forget if you're using the factory downpipe, you will need this cat-back adapter by our friends at GrimmSpeed! Or this one, by our friends at Invidia! Or shucks, how about this one by our friends at Torque Solution!