Engineered to improve throttle response and increased power and torque across the entire RPM range. BMW E46 320, 325 + 330 Models Saloon and Coupe M54 engine models. Please note this item will NOT fit automatic or M52 engine models. Please check your headers before purchasing this system as your vehicle must have E46 headers flush, not staggered.The item "STAINLESS DECAT DE CAT SPORT EXHAUST SYSTEM FOR BMW 3 SERIES E46 320 325 330 M54" is in sale since Friday, June 18, 2021. This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Performance Exhaust\Other Performance Exhausts". The seller is "dcp-tuning" and is located in Manchester. This item can be shipped to United Kingdom.