Fabspeed 993 Turbo Modular Sport Catalytic Converter X-Pipe (95-98) (FS.POR.993T.SCX) StillenShipping_60 Fits all Porsche 987 Boxster

Fits all Porsche 987 Boxster / Cayman vehicles(2005-2008)

But then say you get detonation with 18psi when you are at 7000rpm unless you are below 16psi

4L like those in the 2008 Cobra Jet and the Shelby GT500

which is where the back is

1 ea p/n 15626 AN-06 Port Plug

Fabspeed 993 Turbo Modular Sport Catalytic Converter X-Pipe (95-98) (FS.POR.993T.SCX) StillenShipping_60 Fits all Porsche 987 BoxsterPURCHASE DISCLAIMER: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86. 1854. 12(a)(3), Clean Air Act 40 CFR 1068. 101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine