Speed By Spectre(R), The 400MPH Company?. Rooted in racing, we design and build every product with the same goal in mind; the best performance in the market proven on the racetrack! Speed By Spectre? couplers, tubes and related components allow you to design your very own custom cold air intake system. All of our air intake components are designed and built using the highest quality materials and engineered for optimum fit and function on your motorhome.