HS11STIG3T. This Invidia Q300 exhaust system is specifically designed for 2011 - 2014 Subaru Impreza WRX and WRX STI wide - body sedans. Key features include new gaskets and hardware for easy installation. It's crafted from 304 stainless steel, ensuring long - lasting durability. The 3 - inch piping diameter provides efficient exhaust flow. With 4.33 - inch titanium dual exhaust tips, it not only looks great but also enhances the vehicle's overall style. The exhaust hangers are welded onto the OEM locations, guaranteeing a direct fit. Note that this exhaust is for wide - body sedans. If your wide - body sedan has the stock downpipe, you'll need to add an adapter to prevent leaks.


Using this Invidia Q300 exhaust system is straightforward. First, make sure your vehicle is a 2011 - 2014 Subaru Impreza WRX or WRX STI wide - body sedan. If your car has a stock downpipe, install the adapter before fitting the exhaust to avoid leaks. During installation, use the new gaskets and hardware provided, and attach the exhaust where the hangers are welded to the OEM locations. As for maintenance, regularly check the gaskets and hardware for any signs of wear. Clean the 304 stainless steel body with a mild automotive cleaner to keep it looking good. And don't forget to check the titanium dual exhaust tips for any discoloration or damage over time.