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Radium CAI + 2bular manifold, Y-pipe and sports cat? - Engine & Ancilliaries/Gearbox - The Lotus Forums - Official Lotus Community Partner Jump to content


Radium CAI + 2bular manifold, Y-pipe and sports cat?

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Hi All

Well the warranty is now up and upgradeitis has taken hold!


I have already fitted a Radium CAI and a Larini 3rd cat replacement pipe on my NA car a while back and it sounds great under load and is quiet when pootling. I had my car daynoed as it is now and the mixture was fine with no worrying under or over-fuelling.


Well I just ordered the tubular manifolds, Y-pipe and 100cell sports cat from Jim at 2bular.  I plan to run these with the stock back box for now to a)save some cash and b) I really don't want it too loud and would prefer so see how it sounds with the standard back box first. 


I am hoping for a little more torque and a much cooler engine bay for better longevity (worked well on my Elise - 120k miles and no electrical failures). I had the Elise for 14 years and the Evora feels like a keeper!


Jim has worries that the stock ECU map will not play nicely with his pipes AND the Radium CAI.


Has anyone dynoed a car fitted with the 2bular manifolds and the Radium CAI and logged the CO levels?


Depending on what I hear, I will leave the Radium on and when I pick the car up next month I will head straight to the Dyno in Newbury and check it out. 



All the best



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