Autometer GM Mechanical 52mm 0-35 PSI Boost Gauge Short Ram Intake System uses DCF350 Filter Torque Solution Rear Differential Bushings:

Torque Solution Rear Differential Bushings: Subaru WRX / STi 2002-2007

and looks that turn heads

Torque Solution Greddy Blow Off Valve Adapter 2013+ Hyundai Veloster 1

5:1 Dish Piston (SINGLE PISTON)

Autometer GM Mechanical 52mm 0-35 PSI Boost Gauge Short Ram Intake System uses DCF350 Filter Torque Solution Rear Differential Bushings:Mechanical boost gauges have become the staple in boost pressure monitoring for all types of engines, gasoline, diesel, or otherwise. Ultra precise bourdon tube meter movement ensures accuracy and durability not seen anywhere else in the industry. A simple 1 8" NPT pressure connection requires no electrical hookup for operation. Includes 1 8" NPT fittings and nylon line kit.