H&R 15-19 Audi A3 Sedan Quattro (AWD) 8VS Sport Spring Fuel Delivery>Fuel Systems A custom CAD designed roto-molded

A custom CAD designed roto-molded housing made from high quality cross-linked polyethylene plastic eliminates the use of multiple components and ensures the coolest air intake charge available

and other transmission pressure tuning

CSF was able to design the intercooler system to fit in the stock location using all the OEM hardware

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

H&R 15-19 Audi A3 Sedan Quattro (AWD) 8VS Sport Spring Fuel Delivery>Fuel Systems A custom CAD designed roto-moldedSport 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