A maker of parts that tidy up the plumbing in an engine bay. Its signature is the brake booster delete — a kit that removes the brake booster and re-routes the lines — with more than 13,000 sold since 2009. It also offers cooling, fuel, oil and power steering line kits by engine: SR20DET, RB20 / 25 / 26, 1JZ / 2JZ, Honda B / K series and more.