Replacing old vacuum lines can do wonders for your cars performance and response. Your old hoses could have small leaks, which cause lower than optimal vacuum pressure. Regain your optimal vacuum pressure by switching to High Performance Silicone Vacuum Hose designed for your Infiniti. When you make your switch to silicone vacuum hose, you could expect to see a gain of 1-4 cm of Hg vacuum pressure. As well as a significant increase in low rpm boost response. Our Silicone Hose Kits come with everything you need to regain some lost performance in your Infiniti. The silicone hose kits include: Enough Silicone Hose to replace the essential hoses in your Infiniti, color matched zip ties to use as clamps or to fasten the silicone hose to keep it routed correctly. A StylinSlicer to slice the hose open length wise to use the larger ID silicone hoses as Engine Dress. Instruction manual to guide you through your project. Switch to High Performance Silicone Vacuum Hose designed for your Infiniti today.