Fabspeed BMW M3/M4 (F80/F82/F83) 1st link comp. Downpipes (2014-2020) Other Parts We use the largest HJS

We use the largest HJS cats that will physically fit in the application

It's a fact that the Turbo Plenums do produce more power than the NA Plenums

The filter element itself is made of a washable cotton material that provides nearly 40% greater airflow than paper

fits OEM Cayenne 957 V6 air box for improved airflow and performance

Eliminates faulty O-ring assemblies that are 1940s/ 50s technology

Fabspeed BMW M3/M4 (F80/F82/F83) 1st link comp. Downpipes (2014-2020) Other Parts We use the largest HJSEliminate the heavy and restrictive factory catalytic converters with straight pipe, high flowing stainless steel downpipes for maximum power and an exhilarating sound. FEATURES: Fits all BMW F80 F82 F83 M3 & M4 2014 2020 vehicles worldwide The perfect option for track cars and those who seek the ultimate in aggressive exhaust sound Mandrel bent pipes with minimal welds to minimize failure under regular use and increase flow Designed to fit seamlessly