Fabspeed Ferrari 812 Superfast/GTS XperTune Performance Software Exhausts manufacturing valves of the highest

manufacturing valves of the highest quality for some of the most technically advanced and difficult applications

A crease is incorporated to allow for clearance in any M235i setup

A great additional UPGRADE is a set of 993 HJS German high-flow sports cats X pipe

and no check engine light requiring this tight fit

Aerospace England supplies these ultra high temperature Inconel 625 stainless steel valves to Porsche

Fabspeed Ferrari 812 Superfast/GTS XperTune Performance Software Exhausts manufacturing valves of the highestAchieve maximum power without sacrificing drivability or reliability by optimizing the engine's air fuel ratios, timing, and more. The 812 Superfast is an impressive car from the factory, there's no doubt about it. We set out to extract maximum possible gains out of the 812 while keeping the operating parameters safely within the confines of reliability and longevity. Once we receive your ECU, our tuner bench flashes it with the upgraded ECU map and