Fitment Info: This exhaust fits 2015 - 2021 Subaru WRX and most 2015 - 2021 Subaru STI models, except the 2019 STI and 2018 STI R/A. It only works with an OEM or OE fitment mid - pipe, not with the SPT exhaust or other aftermarket systems. Features: Upgrade your car's sound and look with the Nameless Performance Axleback Exhaust. It removes the heavy, restrictive factory mufflers and replaces them with mandrel - bent, TIG - welded, T304 stainless steel pipes and configurable tailpipe tips. The 3.5 - inch polished double - walled tips reduce weight and give you the loudest axle - back exhaust option. The factory - fit laser - cut flanges and 2 - inch dual piping offer great breathing for high - end horsepower and an increase of about 10hp/11ft lb in low - end torque at the wheels. You can easily upgrade to a full catback exhaust later by buying the Nameless 3' Midpipe. The parts fit directly with factory exhaust components and are easy to install. Details: Muffler Type: Muffler Delete; Exhaust Tips Size: 3.5 inches; Exhaust Tip Style: Double Wall; Exhaust Tip Color: Polished; Staggered and Quad Exit; Laser - cut Flanges; T304 Stainless Steel Piping; Mandrel Bent Piping; TIG Welded; Direct Factory Fit to OEM Mid Pipe; Factory OEM Style Exhaust Hanger Rod; Includes Hardware Kit and Installation Guide. California Prop 65 Warning: Working on your vehicle can expose you to harmful chemicals. Minimize exposure by avoiding exhaust fumes, idling the engine only when needed, servicing in a well - ventilated area, and washing hands often. More info at www.p65warnings.ca.gov.

Using this Nameless muffler delete exhaust is a great way to enhance your Subaru WRX or STI. First, make sure your car is one of the compatible models (2015 - 2021 WRX and most 2015 - 2021 STI, excluding 2019 STI and 2018 STI R/A) and has an OEM or OE fitment mid - pipe. The installation is straightforward as the parts fit directly with factory exhaust components. Just use the included full hardware kit. When you start the car, you'll notice an immediate improvement in sound and a bit more power. As for maintenance, since it's made of T304 stainless steel, it's quite durable. But it's a good idea to check the pipes and welds occasionally for any signs of damage. If you live in an area with a lot of salt on the roads in winter, give the exhaust a good wash to prevent corrosion. And always follow the California Prop 65 warnings to stay safe from harmful chemicals when working on your vehicle.