I went with the GFB Mach 2 from Tork. Then added the whistle trumpets to Vent to atmosphere.
I'd bet the GFB hybrids are sweet as well.
They bolt right up with no adapters or configuration issues.
NEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Response If you don’t need the patented venting bias adjustment feature of the Respons or Deceptor Pro, the Mach 2 is the answer...
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