Or alternatively you could have just left the OEM manifold on and connected two pipes to it...
Were the trumpets too noisy?
Trafic, Twingo GT, Vel Satis Turbo x 2, Clio V6 Proto Ph2, Vel Satis 3.5, Avantime, Alpine A610, GTA Atmo x 3, GTA Turbo x 3, R5 Gordini Turbo Mid Engine, Alpine A310 4cyl, Alpine A110, Yellow Smart
Be a great before and after dyno run write up on here if you have the before data? All these little changes can be measured, even on a chassis dyno with appropriate correction factors for the delta environmental conditions on the day etc... consistent tyre pressures etc
Put some numbers behind it will be quite interesting to folk.
How did decide on the final plenum volume, what is it roughly out of interest?
Cheers,
Martin
... A diamond is only a piece of coal that did well under pressure... PRV afflicted, may be I need to squeeze harder!!!!