High Flow Enlarged Plenum + Hose - Astra H Zafira B VXR/OPC
Astra H and Zafira B VXR/OPC 2.0 Turbo Z20LEH models. (Not suitable for Non VXR)
The New Plenum has been cast in aluminium giving it a close to Original Equipment appearance. Its large bore gives it a 25% increase in cross sectional area, offering huge improvement in flow. It simply replaces the OE unit using the original fixing points and come complete with new studs and flanged nuts. Comes in raw cast finish suitable for powder coating, painting or polishing.
This Kit includes:
1 x High Flow Plenum
4 x Studs & Nuts
1 x Large bore 4 ply silicone hose - from plastic crossover/map sensor pipe (next to battery) to new plenum. Enlarged hose can be supplied with or without a moulded dump valve take off piece.
As used in the 2011 Dubai 24 Hour Race.