Enhance Performance Z19DTH Log Manifold to suit Garrett GTB2260 Turbocharger (Turbo Options)

The WGM Astra H 1.9CDTi 16v GTB2260 Manifold kit has been designed as a direct replacement for the OE turbocharger. Included in this kit is 90% of the components required to complete the GTB2260 conversion. 

The WGM Astra H 1.9CDTi 16v GTB2260 conversion manifold has been tried and tested on our own Race Van over the past year with impressive results. We have seen higher HP and Torque figures, yet still retaining OEM levels of drivability and fuel consumption. Our kit is very simple to fit, although the Air Conditioning does need to be removed in order to install it. It is possible to retain the AC but modifications must be carried out to the turbos compressor cover, we can provide images of how this is done. There is no need for a ‘slimline fan’ with this kit, as this kit was designed with the OE radiation fan still in place. 

This kit has been produced to the highest standards, with a fully TIG welded thick wall stainless steel manifold, featuring back purged welds for ultimate reliability. A TIG welded, back purged down-pipe is also included, which will suit both types of GTB flange, along with mating perfectly to the OE Vauxhall pre-cat-back exhaust system. A new 80mm lightweight aluminium intake pipe has been constructed to suit either 80mm or 90mm MAF sensors(Supplied with coupler for 80mm), and has been powder coated with a durable satin black finish. 

Power figures of between 250hp and 320hp can be seen with the correct supporting modifications and software. 

Included in the kit are the following items;

  • Z19DTH GTB2260 Stainless Steel Log Manifold
  • 2.5” Stainless Steel TIG Welded Downpipe
  • 80mm Alloy Intake Pipe inc Silicone Couplers & Clips
  • Teflon Braided Oil Feed
  • Direct fit oil return turbo and block fittings
  • JS Performance Boost hose
  • Dipstick Tube Spacer

Power figures of between 270hp and 350hp can be seen with the correct supporting modifications and software (On Pump Fuel only, Nitrous 385HP+ has been seen) See our Diesel tuning guide for more info.

GTB2260 260-300HP
GTB2260VKLR 295-310HP
GTB2262 300-320HP
GTB2362VKLR 310-330HP
GTB2365VKLR 320-340HP* Untested


Please note the turbocharger will arrive ready to install, (Compressor cover may require clocking to suit boost pipe) clocked to bolt straight on. Stop screw install, Actuator arm modified and VNT flow tested .

For Manifold only kits. a turbocharger will require appropriate actuator and bracket, along with correct set-up. 


776469-5 - 776469-0005 - 776469-0005S - 776469-5005 - 776469-5005S
776469-4 - 776469-0004 - 776469-0004S - 776469-5004 - 776469-5004S
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769705-7 - 769705-0007 - 769705-0007S - 769705-5007 - 769705-5007S
769705-6 - 769705-0006 - 769705-0006S - 769705-5006 - 769705-5006S

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Enhance Performance Astra H 1.9 CDTi Z19DTH GTB2260 Manifold Kit (Turbo Options)

  • Product Code: 1-0060
  • Availability: In Stock
  • £1,000.00

  • Ex Tax: £833.33

Available Options