1) This inlet hose goes after the MAF sensor to the turbo inlet and helps the turbo spool up time faster and increases boost2) A direct replacement for the factory hard plastic hose3) The inlet hose can be installed without removing the intake manifold (the stock inlet hose must be cut off and can not be reused)4) Made with the highest-grade space age silicone available in the industry and can withstand high temperatures as well as high airflow for performance air intakes5) Non-flammable and will keep its flexibility and elasticity for duration of the car6) Easy to install producing area:China payment:30% T/T received order, 70% prior to shipment, L/C supplying capacity:5,000pcs/month