Enhance your vehicle's performance with the MBRP 1320309 Performance Exhaust Race Silencer. Designed for those who crave the loudest and most aggressive sound, this exhaust silencer features a robust 4-inch diameter muffler body that delivers a thrilling auditory experience. Its lightweight design ensures that you not only boost sound but also achieve significant weight savings for improved handling and responsiveness. Installation is a breeze with the MBRP Performance Exhaust Race Silencer, as it utilizes stock springs and hangers for a quick and hassle-free setup. With dyno-proven performance and flo-bench testing for optimal back pressure, this silencer is engineered to improve throttle response, making your driving experience more exhilarating. Plus, with a two-year warranty, you can trust in the durability of this high-quality 304 stainless steel construction. Features: * 4-inch diameter muffler body for an aggressive sound * Loudest version of canister for maximum exhaust noise * Lightweight construction for significant weight savings * Two-year warranty for peace of mind * Improved throttle response for enhanced driving performance * Quick and simple installation using stock parts * Dyno proven performance for reliability * Flo-bench tested for optimal back pressure