GrenX INEOS Grenadier B57 Performance Downpipe | DPF & AdBlue Delete

Join the pre order list Due DEC 2026 INEOS Grenadier B57 Performance Downpipe Unlock improved exhaust flow and reduced backpressure from the BMW B57 diesel platform with the GrenX Performance Downpipe, developed specifically for the INEOS Grenadier. Designed for competition, motorsport and off-road applications, this high-flow replacement downpipe removes the restrictive factory emissions hardware from the exhaust path and is engineered to work as part of the complete GrenX performance package. Designed to pair with our GrenX Stainless Steel Performance Exhaust System and GrenX Custom ECU Tune, the system delivers a fully integrated hardware and software solution for modified B57 Grenadiers. Features Designed specifically for the INEOS Grenadier 3.0L B57 Diesel High-flow performance downpipe Designed to pair with the GrenX Stainless Steel Performance Exhaust System Engineered to work with the GrenX Custom ECU Tune Reduced exhaust restriction and backpressure Improved exhaust gas flow Supports increased performance and engine response Suitable for DPF-delete / AdBlue-delete off-road calibrations Heavy-duty construction for demanding applications Ideal for modified, competition and high-performance Grenadier builds For maximum performance, combine the downpipe with the GrenX Stainless Steel Performance Exhaust System and GrenX Custom ECU Tune to create a complete turbo-back performance package. ECU Calibration Required This product is designed to operate with the GrenX Custom ECU Tune, including calibration for vehicles where the factory DPF, AdBlue/SCR and associated emissions monitoring systems are no longer being used. OFF-ROAD USE ONLY