SD Performance Focus MK3 RS 2.5-inch Big Boost Pipes Throttle Body Size:Standard Throttle Body (57mm) they do this simply by

they do this simply by using the factory diverter valve and redirecting the air to atmosphere

2x Silicone hoses

as the Hyundai’s 1

zero leaks and complete compatibility with the OEM MAP sensor

Because of the soft spring and the solenoid valve that is in-line with the vacuum hose

SD Performance Focus MK3 RS 2.5-inch Big Boost Pipes Throttle Body Size:Standard Throttle Body (57mm) they do this simply byThe 2. 5" big boost pipe kit is a must for all remapped RS's, Everything you need is included in the kit. Features: Hot side (turbo to intercooler) is made from 2. 5" light weight alloy and connected with SD Hoses wire infused 5 ply silicone hoses. Cold side (intercooler to throttle body). This will fit with all common intercoolers including the OE stock cooler. Our 2. 5" hard pipe upgrade removes Ford's 2. 0" restrictive boost pipes and can see 'bolt