Fitment: This high - performance exhaust kit is specifically designed for 2015 - 2021 Subaru STI and 2015 - 2021 Subaru WRX. Features: Revitalize your 2015 - 2021 WRX or STI with the Remark Axle Back Exhaust and Mid Pipe Combo. The Axle Back Exhaust offers a race - inspired style, delivering a loud and aggressive Subie sound, a big upgrade from the factory exhaust. The mid - pipe kit bolts directly onto the Remark axle back system, boosting flow, power, torque, and sound. If you're using the stock J - pipe, check out grm077046. Benefits include easy direct bolt - on installation, mandrel bent piping for smooth exhaust flow, high - quality hand - crafted tig - welding, factory OEM style exhaust hanger rod construction, weight reduction compared to factory mufflers, and improved horsepower, torque, and exhaust flow. It comes with 4 Remark performance hanger bushings, as well as gaskets and bolts. Axle Back Specs: It has double or single - wall burnt stainless or polished tips. Made of T304 stainless steel, the piping diameter is 2.5 inches (16 gauge), and the exhaust tips are 3.5 - 4 inches or in Bosozoku Quad Slant Cut Style. Mid Pipe Specs: Available in resonated and non - resonated versions, with 3 - inch piping transitioning to dual 2.5 - inch piping, also made of T304 stainless steel. Watch our customers' reviews on YouTube!






















Using this Remark Axle Back Exhaust and Midpipe Kit is straightforward. First, make sure your vehicle is a 2015 - 2021 Subaru WRX or STI. If you have a stock J - pipe, keep in mind to check out grm077046. For installation, it's a direct bolt - on process, so you don't need to do any major modifications. Just follow the included instructions and use the provided gaskets and bolts. As for maintenance, regularly inspect the exhaust for any signs of damage or loose connections. Since it's made of T304 stainless steel, it's fairly durable, but cleaning it occasionally with a mild stainless - steel cleaner can help keep it looking good. When you're driving, enjoy the enhanced power, torque, and the awesome sound this kit provides. But remember, if you notice any unusual noises or performance issues, it's a good idea to have it checked out right away.