The only review I've ever read on the Do-luck RXB is from TY Yapp on FA, and he said it made the biggest difference of any chassis brace he's installed on his car. Coming from a guy with a LOT of braces, and track experience, I would tend to believe him.
Roll bars are definatey the best way to tighten the car up, but some people don't want an unsightly roll bar in their car.
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