Longacre Digital Air Density Gauge Color_Silver The Brey-Krause R-2225 is a

The Brey-Krause R-2225 is a seat-mounted fire extinguisher bracket engineered specifically for a wide range of modern BMW models with factory seats

The bar is easy to install and remove

The R-9261 works with medium width side-mounting seats with a measurement at the side-mounting point of 410-434mm

Featuring a single-layer twill construction for durability

Longacre Digital Air Density Gauge Color_Silver The Brey-Krause R-2225 is aAir Density (or RAD relative air density) is a valuable tuning tool to make sure your jetting is at its optimum. Longacre's Digital Air Density Gauge helps accurately measure your air density with an easy to read digital display. The gauge records your baseline for future reference. If the air density changes (and it will), a Red LED flashes to let you know to change jets (alarm with + 5% change). The compact gauge also shows the current temperature