Upgrade your vehicle's performance with the MBRP 2301114 Silencer Race Stainless A/C 1 100 Turbo S/M. Engineered for enthusiasts seeking the loudest and most effective muffler, this product boasts a 4-inch diameter muffler body that enhances both sound and efficiency. Enjoy an improved throttle response and a significant reduction in weight, making it a perfect addition for performance-oriented drivers. Crafted from durable 304 stainless steel, the MBRP Silencer Race is designed to withstand the rigors of racing while ensuring longevity. Installation is quick and easy, utilizing stock springs and hangers for a seamless fit. With a dyno-proven performance and flo-bench tested for optimal back pressure, this muffler is the perfect choice for those looking to push their vehicle to the limit. Plus, it comes with a 2-year warranty for added peace of mind. Features: * 4-inch diameter muffler body for enhanced performance * Loudest version of canister for a powerful sound * Lightweight design for improved vehicle dynamics * 2-year warranty for reliability and assurance * Improved throttle response for better driving experience * Quick and simple installation process * Significant weight savings for performance enhancement * Made from durable 304 stainless steel for long-lasting use * Utilizes stock springs and hangers for easy fitment * Dyno proven performance ensures efficiency * Flo-bench tested for optimal back pressure