BMW 1 Series F20 F21 120i 125i B48 2.0 Turbo 15 19 3.5" Decat Downpipe

Direnza Performance Decat Pipe, manufactured from T304 grade, brushed stainless steel. Handcrafted by our specialist engineering team to ensure high quality & accurate fitment. A direct replacement for the OEM catalytic converter, Direnza mandrel-bent exhaust components are TIG welded and feature CNC-machined flanges for strength and durability. Removing the cat on your vehicle will allow exhaust gasses to flow more freely. Engineered to release untapped engine performance, improve throttle response & enhance sound. T304 Stainless steel provides great rust prevention and strength Designed to be a direct replacement for ease of fitment 3.5-3" for maximum flow with least restrictions Immediate power increase and allows for plenty more in the future should you make further upgrades CNC machined flanges for that accurate fit every time Decibel Readings: Stock Valves Closed: 67.2 Stock Valves Open: 66.1 Decat Valves Closed: 69.6 Decat Valves Open: 71.2