Bilstein B12 2009 Audi A4 Base Front and Rear Suspension Kit Mazda-RX-7 This is a great upgrade

This is a great upgrade for those looking to do a big turbo setup

Anodized Aluminum Construction: Durable

Serviceability of the intake air filter is also straight forward once the initial installation has been completed

Radium Fuel Surge Tank Install Kit — Honda S2000 AP2 06-09

Ideal for track days

Bilstein B12 2009 Audi A4 Base Front and Rear Suspension Kit Mazda-RX-7 This is a great upgradeBilstein B12 (Pro Kit) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and