K&N Performance Air Intake System (57-9039)57 series OEM air box intake systems include a washable, reusable High Flow Air Filter paired with a CAD designed high airflow intake tube, and is designed to be a simple, cost effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 100,000 miles between filter services under normal highway driving conditions, and offers K&N's industry leading

OEM Part Number: 171511413

A super durable and responsive aluminium piston

Made from billet alloy and using a single piston this valve will run faultlessly without the need for attention and eliminates the longevity problems associated with the original diaphragm valves

the engine/transmission/wind noise is louder than this exhaust

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

the Peugeot RCZ THP 156 and the 207 GT/GTi  We use a custom designed Silicone Hose combined with a non-oiled Pipercross foam high flow filter - you can find a replacement filter here

70mm O/D 500mm long Alloy Hose Joiner

For those running switchable software programs

This product is sold in precut 3 metre lengths

To identify which you need

Cloverleaf

Earlier models that have a turbo mounted diverter valve as standard require the kit with part number FMDVA1TSI and FMDVATSI