Vacuum Activated Exhaust Cutout / Dump 89mm Open Style Pressure: About 1 Bar For VW Golf 5
Vacuum Activated Exhaust Cutout 2'' 51mm Close Style For BMW E30 M20 325 325
Vacuum Activated Exhaust Cutout 3'' 76mm Close Style Pressure: About 1 Bar For BMW E30 3-Series
Vacuum Activated Exhaust Cutout 3'' 76mm Open Style For BMW E39