Description Factory replacement Alloy intake pipe 3″ Features: CNC Machined from 6061 Billet Aluminium Uses Factory Nissan O-Ring Alloy construction Stainless Hose Clamps 3” Silicon Join to Airbox Bolted to the turbo so no chance of falling off Fits both Single AND Twin turbo   Reasons to change the intake pipe: We have had a number of reports of the NP300 surging from factory When towing the rubber section can collapse and shut off air supply When tuned the rubber section can collapse when underload and shut off air supply Factory is 2” to turbo, Upgrade is 3” to turbo allowing a better air supply   This will fit to the factory airbox & our custom airbox. Production lead time on these intake pipes is a minimum of 2 weeks. If you need it faster than that, please select the URGENT option