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new Smart Owner here - just curious if anyone has real world experience with long term reliability and performance upgrades. I am not looking for a Turbo/Intercooler setup but thinking of the usual, exhaust, intake mods and possibly sending out the ECU/TCM to be re-programmed (or even just the ECU and buying a Go Pedal module ??)

I have read quite a bit and some seem to indicate dramatic improvements and some seem to indicate minor changes not worth the investment ($500-$700


Input is greatly appreciated.


Chris
 

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Don't think any of those cause problems with the car, but some exhausts have been problems themselves. Just my .02 but the Go Pedal really doesn't improve performance - you can get the same results with more aggressive right foot application. :)
 
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