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I have read the treads, all of them, just want honest opinions from those with actual real world experience. I do not plan on down pipes, exhaust or any other upgrades, so not considering JB4.
For ease of install/removal and very similar power gains and cost I have narrowed downed my choices to either the Racechip RS or the Burger Stage 1.
Any input would be appreciated from those who have used one or the other or perhaps have had experiences with both.
Thanks
 

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RC on my N55 X6. Almost a year with no problems.
I've gotten routine maintenance done twice and the dealer has never mentioned it either.
 
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