Astra H VXR Sprint

So the addition of this high flow inlet manifold will help to give more mid range and top end power, complimenting the K06 turbo and the steel rods.

High Flow and OE Manifold Inlet Manifolds

OE Manifold and High Flow Inlet Manifolds

OE Manifold and High Flow Inlet Manifolds

4mm Thick Thermal Inlet Manifold Gasket to help reduce heatsoak from the head into the new inlet manifold:

4mm Thick Thermal Inlet Manifold Gasket

Longer studs are fitted when used with a thermal inlet manifold gasket:

Replacement Studs

Inlet Manifold Fitted:

Inlet Manifold Fitted

Inlet Manifold Fitted

Both Alternator brackets require the holes opening up slightly so as not to pull the alternator out of alignment when used with the new inlet manifold:

Alternator Mounting Brackets

The brackets refitted:

Alternator Bracket Fitted

Steady Bracket Fitted

Alternator to Inlet Manifold Bracket

To aid fitment of this bracket (shown fitted above) a slight bend to the right hand end will align the bracket to sit flush with the inlet manifold, and carefully removing a short section of the lower return lip of the bracket will give additional clearance against the manifold.

Alternator to Inlet Manifold Bracket

And the factory servo vacuum pipe needs to be heated and shaped slightly to fit onto the new inlet manifold:

Servo Pipe Modified to fit new Manifold

Servo Pipe Modified to fit new Manifold

And this is the OE location of the servo vacuum pipe:

OE Manifold Servo Pipe Location