Original Poster, by Audi Sport Suspension you mean the slightly lower than A3 standard suspension? Do you have DCC (adjustable shocks) I didn't think you did, but it never hurts to ask.
Here is a solid example of an A3 with sport suspension that we equipped with MSS' Fully Adjustable Sport Kit. The rear on this kit is basically at a 10mm drop and the front is at roughly 15mm drop. This kit is capable of 1.2" drop (30mm) in the front and rear. All the way down is practically perfect in eliminating all wheel gap without any rubbing or reducing functionality of the vehicle.
Featured are height adjustable springs deemed to work perfectly with factory NON-DCC and DCC adjustable shocks. No error lights, fully functioning Audi technology and rates perfected for day to day street use and track use, all in one. Special attention has gone into the R&D of the MSS springs to make sure the ride quality and performance were not lacking in any way. Very carefully engineering and computer generated modeling was performed to create such a spring. Upon road testing some hiccups were found in real world use that a mere computer model couldn't predict. After countless revisions and testing MSS has created something that is 100% catered to 95% of the drivers on the road. The fully adjustable sport kit is very well mannered on the street thanks to the street front spring rate. The street front spring rate is actually softer than stock sport springs so you can expect nicer ride quality but do not assume a lack in performance either! The spring coil bind diameter and material structure as well as spring height play a crucial role in this dual purpose spring. When mated to MSS' Exclusive dual stacked rear spring arrangement, one spring to receive the day to day duties absorbing bumps and gaps in the road while keeping things comfortable. The taller orange spring settles in to really take care of business when you need the car to be confident in the corners, limit squat and dive when launching or braking hard and more.
We have yet to find a spring set or coilover kit to accomplish what MSS does for the price point. We are currently running a
group buy right now as a last change to get these at a discount before we start expanding our wholesale reach.

I see you are located in NY, not too sure where, but our facility is located about an hour and a half from New York City. We would be happy to quote you pricing and installation on this job if you are willing to spend the day with us.
Let us know how we can help, we have a lot of experience with this platform.
Thanks,
Greg
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