ProSport Coilover suspension Kit to fit Audi A3 Convertible 8P7 FWD only 13.5" Subwoofer The 13W3v3-4 is best used

The 13W3v3-4 is best used with amplifier power in the 150W - 600W range and is optimized to operate in a moderate size 1

This offers a massive 150% increase in frontal area and a huge increase in capacity

the AIRTEC intercooler offers much greater

And Fixed Damping

ProSport Coilover suspension Kit to fit Audi A3 Convertible 8P7 FWD only 13.5" Subwoofer The 13W3v3-4 is best usedProSport Coilover suspension Kit to fit Audi A3 Convertible 8P7 FWD only PLEASE NOTE This kit will be supplied with either Blue OR Red springs, depending on availability Adjustable ride height German TUV Certification Improved driving dynamics Polished steel body housing High quality Chrome Silicon powder coated spring 12 months manufacturer warranty (Not transferable) Helper springs allow the main spring to stay mounted on the coilover perch when the