BMW 340I PIPERCROSS STOCK REPLACEMENT FILTER cat back Heat Range: 8 (1-step colder)

Heat Range: 8 (1-step colder)

10% more airflow than factory intakes

Stickers confirming the items’ quality

In contrast

The downpipe on your turbocharged vehicle is directing the exhaust gases out of the turbine housing into the exhaust system

BMW 340I PIPERCROSS STOCK REPLACEMENT FILTER cat back Heat Range: 8 (1-step colder)Benefits of a Pipercross panel filter: 30 40% more air flow over your OEM paper filter Direct fit into airbox no modification Does not affect manufacturer warranty Better for the environment (washable and reuseable) Improved fuel economy Handmade in the UK The low maintenance and long lifespan aspects of a Pipercross filter come from the special triple layer foam that is used on all Pipercross filters. The outer core is coarse foam designed to trap