MACH 2 ATMOSPHERE CONVERSION KIT (SUITS T9120) xr6 turbo The Plumb Back system recirculates

The Plumb Back system recirculates all excess pressure back into the intake system

The higher the octane rating

Add the conversion kit when you want some noise with your performance

Fittings are also supplied with the kit

260 Series Line Separator -3 RWF-156-6MM

MACH 2 ATMOSPHERE CONVERSION KIT (SUITS T9120) xr6 turbo The Plumb Back system recirculatesMACH 2 ATMOSPHERE UPGRADE KIT TO CONVERT FROM RECIRCULATING TO ATMOSPHERE VENTING. Includes trumpet, firmer spring, and 20mm hose plug. To vent the Mach 2 to atmosphere, you need to ensure the piston stays closed at idle, and the recirc hose is plugged. The 5920 Atmosphere Conversion Kit includes a 20mm hose plug to block off the recirc hose, a trumpet to replace the hose outlet on the Mach 2 (not necessary for functionality, but makes the sound