4" Catless Downpipe for N55 F2X/F3X

The Evolution Racewerks 4" Catless Downpipe is engineered to significantly reduce exhaust flow restrictions, leading to higher maximum horsepower and an improved torque curve with faster spool-up times. Constructed from 100% stainless steel and TIG welded for superior quality, it ensures durability and optimal performance. The downpipe features a mandrel-bent 4" piping with a smooth transition to the exhaust system, and a precision CNC machined turbocharger V-Band flange for precise fitment. This downpipe is available for various BMW models equipped with N55 engines, including the 2012+ 335i (F30 Chassis), 2013+ 435i (F32/F33 Chassis), and 2012+ M135i (F20/F21 Chassis). Model year specific fitment is available for 2012-08/2013 models with pneumatic wastegates and 09/2013-2015 models with electronic wastegates. Key features include the option for a brush or polish finish, as well as an optional high-temperature Black Thermal Coating to reduce underhood temperatures. Additional options include an O2 sensor bung for wideband sensors and an EGT sensor bung for EGT gauges, both coming with pre-installed plugs. All necessary hardware for complete installation is included, and the product is backed by a Limited Lifetime Warranty. CAUTION: This product is intended for OFF ROAD COMPETITION USE ONLY and is not legal for use on pollution-controlled vehicles on public roads or highways. It is for sale for all 49 states excluding California, and requires a Vehicle Compliance Waiver. This item is NOT FOR SALE, INSTALLATION, OR USE on licensed vehicles in the state of California. It is available for international customers without restriction.