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Air Suspension Kits AccuAir Suspension Starter Kit w/ Function & Form FeelAir Struts

AccuAir Suspension Starter Kit w/ Function & Form FeelAir Struts

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Free shipping to the lower 48

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Please allow 1-3 days to confirm the order with the manufacturer.

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AccuAir makes it easier than ever to set up a complete air suspension system on your ride with their Starter Package. This 100% plug-and-play and Bluetooth 5.0 compatible air suspension system includes an ENDO-T air tank with e+ Connect, an ECU+, wireless switch box, and an e-Level+ app-everything you need for a quality yet bank-account-friendly air suspension system. If you want more advanced features like the touchpad and height sensors, you can easily add them to your Starter Package. The AccuAir Starter Package is the best bang-for-your-buck air suspension kit.

Air struts offered by Function & Form being a unique suspension solution to some models not already included in other brands' lineups. Function & Form air struts are made by mounting a high quality double- bellows air bag atop a 32-level adjustable damper, providing a high level of comfort, combined with a high level of performance, all in one product.

What's Included

Set of Function and Form FeelAir Struts
ECU+, Harnesses, Tank Pressure Sensor, and Hardware
ENDO Tank, 5-gal Bolted Aluminum Air Tank w/Raw Finish
VU4 4-Corner Solenoid Valve Unit w/ 1/4" NPT Ports
3/8" DOT/PTC Fitting Kit
VIAIR 485C Air Compressor (Dual Pack) - Stealth Black
Compressor Power Kit


  • 2008 Audi A4 Base FWD Sedan
  • 2005 Audi S4 Avant AWD Wagon
  • 2005 Audi S4 Base AWD Sedan
  • 2005 Audi S4 Cabriolet AWD Convertible
  • 2004 Audi S4 Avant AWD Wagon
  • 2004 Audi S4 Base AWD Sedan
  • 2004 Audi S4 Cabriolet AWD Convertible

**This part fits a ton of vehicles, so let’s check to see if it fits yours. Don’t see it on the list above? No worries, type your vehicle in the search bar above to see the full list of compatible vehicles.**

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About Us

We are dedicated to helping you find the perfect fitment for your ride while also bringing you the highest quality, affordable aftermarket parts in the world! We are truck and car enthusiasts who build their dream rides with these very products.


Shipping times vary depending on item and immediate availability. Unless a specific lead time is listed on this page, expect to receive an email with an ETA within 1-3 days of placing your order. Many suspension kits will ship out within 3-5 business days while some select items may take up to 7-10 business days. Availability on backordered or built-to-order products can vary and we will keep you informed via email with any ETA changes. You will receive the tracking information via email as soon as it is available so you can easily track your package(s) from us, to your door. Keep in mind, some suspension components may ship separately and could arrive at different times. All shipping prices are based on the lower 48 states unless specified otherwise and do not include any duties or customs fees you may be subject to for international orders.

What to Expect Upon Delivery

Always inspect your items immediately upon receipt and notify us if there are any concerns, damages, or missing items. Please verify that all boxes and parts are present and correct using the packing slip or instructions before starting installation or bringing your vehicle to a mechanic. We are unable to assist with any costs accrued from delayed installs due to missing parts. If parts are missing or show signs of shipping damage, please contact us immediately so we can assist you with a replacement; claims of missing or damaged parts made more than 14 days after delivery cannot be honored.

Returns and Cancellations

Any returns or cancellations after placing an order can result in up to a 30% restocking fee. Return requests due to buyers remorse are evaluated on a case-by-case basis and different products may fall under different policies. Please ask any questions you may have about a specific product return policy by contacting our experts. Refunds will be issued after the returned product has been inspected, which can take 1-4 weeks. Products that show signs of installation when returned will not be accepted and will be returned to sender or scrapped.


All manufacturer warranties apply and we will support you as the customer in ensuring you get a quality product. In some warranty situations, manufacturers may need to contact you directly. We are unable to assist with any costs not explicitly covered by the manufacturer's warranty policy, including, but not limited to, shipping or labor costs. For any questions or concerns please contact us. Please note that warranty claims are available to the original purchaser only.

WARNING: This product can expose you to Nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to

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