Our performance decats instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our decats are designed to be direct replacements for the OEM catalytic converter, ensuring smooth installation every time. ---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing catalyst replacement to get the most from the B48 engine ---Designed to improve power and torque across the entire RPM range ---Sold for off road and track use only Decibel Readings: Stock Valves Closed: 67.2 Stock Valves Open: 66.1 Decat Valves Closed: 69.6 Decat Valves Open: 71.2 Compatible with: BMW 1 Series F20/F21 120i, 125i B48 2015-2019 models Please note this decat is only suitable for facelift models with the B48 engine.
