HS11STIG3S. Fitment: This exhaust fits 2011 - 2014 Subaru Impreza WRX Sedans and 2011 - 2014 Subaru Impreza WRX STi Sedans, both with wide - body design. Features: It comes with new gaskets and hardware. Constructed from 304 stainless steel, it offers great durability. The piping diameter is 3 inches, and it has 4 - inch quad exhaust tips. The exhaust hangers are welded onto the OEM locations for a direct fit. Notes: If you're into that sweet rumble, this Q300 for 11 - 14 sedans is perfect for you. It has 3 - inch tubing, mandrel - bent and CNC - cut flanges. If you have the factory downpipe, you'll need an adapter for a perfect fit.
Using the Invidia Q300 exhaust is straightforward. First, make sure you have the necessary adapter if you have a factory downpipe. Just follow the OEM locations for the exhaust hangers and it will fit right in. As for maintenance, since it's made of 304 stainless steel, it's pretty durable. But you should check the gaskets and hardware regularly for any signs of wear. Wash it occasionally with mild soap and water to keep it looking good. When installing, be careful not to damage the exhaust tips. If you notice any unusual noises or vibrations, it might be a sign to check the fitment and connections.
