H&R Street Coilovers Audi S4 (B6/B7) Universal leading to engine failures and

leading to engine failures and premature wear

0L offer excellent all around performance

Turbosmart Boost Tee boost controllers also feature the Turbosmart detent adjustment system for a smoother boost transition through the entire rpm range

F30 w/sport sus H&R Sport Springs F: 1

Made of SUS304 Stainless Steel

H&R Street Coilovers Audi S4 (B6/B7) Universal leading to engine failures andH&R Coilovers for the Audi S4 (B6 B7) feature a fully threaded shock body (not an imitation sleeve over) that allows you to precisely dial in height adjustment to achieve optimum weight transfer, or simply get the aggressive look you've been looking for. Featuring H&R's exclusive dynamic damper technology, each shock is engineered to work in harmony with a progressive rate spring, together creating a finely tuned suspension system. Lowering range of