Outback Armour Assembled Strut Kits Adjustable Bypass - Expedition HDOutback Armour suspension kits are designed and engineered in Australia to provide the strength, durability and reliability required for demanding off road conditions. Adjustable internal bypass provides 20+ stages of velocity sensitive tuning of damping control. Dial in the front and rear adjustments as and when required to suit the accessories or cargo loads, terrain, conditions and personal comfort preferences. Increase bypass ( ) for comfort