Porsche 911 Turbo 930 Air Injection Smog Pump Removal Block off Plugs (1976-1989) Cooling Systems Fabspeed recommends using these Side

Fabspeed recommends using these Side Mufflers in conjunction with a Center Muffler Bypass X-Pipe for non-PSE equipped cars

The extra volume enables the turbos to respond faster resulting in a noticeable improvement in throttle response

Not recommended for Tiptronic Boxster all years due to coolant line

Fits all Porsche 955 Cayenne V6 vehicles (2002-2007)

Aston Martin DBS

Porsche 911 Turbo 930 Air Injection Smog Pump Removal Block off Plugs (1976-1989) Cooling Systems Fabspeed recommends using these SidePURCHASE 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