K&N Replacement Air Filter (33-2260)K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your

as the original or OEM valve should be removed to prevent issues with loss of boost pressure

*Please note - the filter is excluded from the Forge lifetime warranty*

We are selling this kit in this way as many owners already have the blow off valve hose if they have a valve installed

Designed by Forge to replace your OEM intercooler

as found in the BMW 135

THESE ARE TO BE USED WITH YOUR EXISTING BELL HATS

Please note: In order to install this kit you will also require the hose with a  "T" piece connection (FMRMBHT) if you have a blow off valve connection or if you do not have a blow off valve

which helps with turbo longevity

- Stainless steel RACING cat-back section

A Pair of Porsche 991/911 Recirculating Valves

X1 E84 (04/2009 — 12/2015)

It also helps duct the cold air to the air filter as the design incorporates the original cold air ducting which helps preserve low intake temperatures and in-turn produces an increase in power