D3-Tuned XLR-V Cranks Out 600 HP; Brake Upgrades "Highly Recommended"

Cadillac tuners D3 Research have introduced a new three-step tuning package for the XLR-V » 9/12/08 4:40pm 9/12/08 4:40pm that results in a Michelinferno-inducing 600 HP in top trim. Unfortunately, that sort of output isn't available with just a few simple tweaks: A complete engine rebuild is part of the package required to extract peak performance…