Replace your restrictive factory intake system with the 1ST-RACING Silicone Performance Intake Kit featuring high quality, one piece, steel wire reinfoced silicone construction. Gains of up to 60whp can be realized by replacing the restrictive factory intake inlets with this bolt on kit.
This kit will work with any intake that fits the stock inlets 135i, 1M, 335i, 335is, 535i, Z4 as well as XI variants.
This inlet kit will include everything you See in photo
This listing is for stock turbo inlet sizes 1.75".
If you need the 2" upgraded size please contact us before buying for availability and how to order.