New curved runner sheet metal intakes Billet and Sheet metal curved runners . A lot of applications. See great increases in power from a curved runner, for example: big block Chevy's with conventional style heads runner needs to be curved at port opening to fill the port properly, also the high port big chief applications need to be curved the opposite way. You will find 15-20 HP at higher RPMs. Call us for application to fit your vehicle, any questions call Mike 513-353-1067 607-2592