Part #: S48003CF. MBRP® presents a top - notch Cat - Back Performance Exhaust for Subaru WRX 2.0L and Subaru WRX STI 2.5L models. This 3 - inch Cat - Back exhaust features a dual split rear exit design, crafted from high - quality T304 stainless steel. It's the street - friendly version with high - performance carbon fiber dual tips. Key features include a PRO Series made of T304 stainless steel with a lifetime warranty. The 3 - inch to dual 2.5 - inch mandrel - bent tubing has a unique routing design. The removable carbon fiber MBRP® exhaust tips make maintenance a breeze. The S4800 Street Pro Series strikes the perfect balance between street and race. Its innovative spiral louvered core in the dual muffler design produces a rich, deep, and precisely tuned sound that will give you goosebumps. You won't want to block your ears; it's like enjoying a symphony. This exhaust is built with unwavering T304 stainless steel quality and high - performance carbon fiber dual tips branded with MBRP. It enhances the performance of the WRX and WRX STI, making you feel the power. The S48003CF Cat - Back exhaust showcases style and personality, standing out from other WRX or WRX STI cars in your area. Each exhaust system is manufactured to the highest standards, with tough and resilient designs. The racing - inspired MBRP® logo on each tip makes a bold statement. The axle - back setup immediately elevates the car's sound and gets noticed quickly. The unique 3 - inch mandrel - bent tubing, muffler, and distinct routing design make it a must - have upgrade for Subaru enthusiasts. With a lifetime warranty, it's a great investment.

Using this MBRP exhaust is straightforward. Just follow the included installation guide to attach it to your 2015 - 2021 Subaru WRX or WRX STI. Once installed, start your engine and enjoy the improved sound and performance. As for maintenance, you can easily remove the carbon fiber tips for cleaning. Regularly check the connections to make sure they are tight. If you notice any rattling or unusual noises, it might be a sign that a connection is loose. Keep the exhaust away from harsh chemicals and extreme heat to maintain its quality. Also, don't forget that this product comes with a lifetime warranty, so if you have any problems, contact the manufacturer for support.