Depends on the use. I ran without a DV for one season of sprints on a TD05-20g, when I sent it off to be changed for a billet wheel the bearing had failed and the compressor wheel was eating into the cover!! I now run a turbosmart DV.
IMO get a decent DV irrespective of what turbo you run
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Ten Of The Best 2010, 2011, 2012 team 22B.com competitor
WINNER - Scooby Shootout 2011 Modified Handling class
WINNER - MLR Blyton Sprint 2012 Class S2
9th Overall - Ten Of The Best 2012 handling circuit 2 points for team Subaru 22B.com
With thanks to: ASTsuspensionUK.com JollyGreenMonster.co.uk ASPerformance.com AndyForrestPerformance.co.uk SD Motorsport
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