Soul Performance Products Long Tube Street Headers are built around large diameter, free flowing HJS HD 200-cell catalytic converters with long tube runners for maximum gains in power, throttle response, and flat-six engine tone out of the 3.8L engine. Add performance without throwing a check engine light!
+ Fits all 981 Porsche GT4 / Boxster Spyder vehicles (2015-2016)
+ Added performance without a check engine light
+ Direct bolt on installation – instructions included