Function and Form Coilover Sleeves for 2009-2016 Audi S4 (B8/BK)

All fitment information on our website is provided by the manufacturer. It is the customer's responsibility to thoroughly read the product description and confirm fitment before placing an order and proceeding with installation.

Unless specified otherwise, all suspension products are designed for 2WD vehicles only. Any notes or descriptions related to electronic damping systems (EDC, DDS, etc.) apply strictly to vehicle fitment. Aftermarket coilovers are not compatible with OEM electronic damping control systems unless explicitly stated.

*Product images may not represent the actual SKU.

All handling times are estimates and may change at any time.

• In Stock: 1-2 business days
• Out of Stock: 3-4 weeks
• Custom Builds: 3-4 weeks
• Special Order: 3-4 weeks
• Type 3 Coilovers: 45 days

Not quite right? No problem — we offer hassle-free 30-day returns on eligible items. A few exclusions apply.

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Limited Warranty covers products against factory defects in material and workmanship, other than coatings, when used on passenger cars and light duty (class 1‐3) trucks under normal use and operating conditions. Claims should be made through the authorized Distributor from whom the equipment was purchased.  Warranty obligations for products are limited to the terms set forth below:

This warranty extends to the original retail purchaser (the “Buyer”) who retains ownership of the vehicle and is not transferable. Warranty valid only in the United States of America.  F2 warrants this product against defects in material or workmanship for a period of one (1) year from the date of original sale except the following:

• Coilover Sets: 2 years for Type 1, Type 2, and Type 3
• Function Performance Springs (FPS): Eibach Limited Lifetime Warranty
• Replacement Parts: 90-days from the date of purchase

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