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  1. M

    Do I need to upgrade ECU to fit high flow cats (2011 Series II LLT SIDI Calais V)

    I would like to fit a full Exhaust System. I have looked at both Pacemaker and Hurricane, pacemaker don't seem to do cats for the VE SIDI. Hurricane can do headers & high flow cats but says a ECU upgrade is needed: Hurricane Headers Part No. HU447STM [mandrel bent] Gaskets reuse original...
  2. M

    25mm insulator for VE 3.6 SIDI

    I have read in other forums that insulator's make no difference in making any sort of power at all. So what is the go with these?
  3. M

    Headers For SIDI LLT Engine

    I have just brought a 2011 series 2 Calais V SIDI with a LLT motor. I know that pacemaker makes headers for the SIDI, but I want to know if BBK Long Tube Headers made for the Camaro with a LLT motor will fit in the engine bay of the Calais and would these Headers be legal here in Aussie Land...
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