H&R 15-19 Audi A3 Sedan Quattro (AWD) 8VS Sport Spring Fuel Delivery>Fuel Systems This system produced gains of

This system produced gains of up to +22 HP and +26 lbs

and other transmission pressure tuning

and in those cases the VTA kit will retain the solenoid and ECU control

This 24" x 12" x 3" Horizontal Flow Core is rated for 850 WHP and the perfect fit for your custom high-performance intercooler

All while shaving 27 pounds from the stock exhaust system

H&R 15-19 Audi A3 Sedan Quattro (AWD) 8VS Sport Spring Fuel Delivery>Fuel Systems This system produced gains ofSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's