Bilstein B12 (Pro-Kit)-Suspension Kit (46-183118) 17361 Tubing is 4" tapered to

Tubing is 4" tapered to 3" and again tapered at the end to 2

Increases and retains HP while minimizing power-robbing heat soak

The tubes also come equipped with a billet aluminum factory style quick connect adapterthat seals with an o-ring

They will turn your 94-04 Mustang into a real corner carver

Bilstein B12 (Pro-Kit)-Suspension Kit (46-183118) 17361 Tubing is 4" tapered toBilstein B12 (Pro Kit) suspension kits are a complete set of B8 Performance Plus 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 aesthetics.