Our cross-over pipe for the Porsche® 928 is a simple install and nets an honest HP increase you can FEEL. Your existing twin Catalytic converter pipes un-bolt from the manifolds, and these bolt-on. All hardware, clamps and gaskets are provided. Also adds a nice, deep, rich V-8 sound to your 928.
the 26 HP increase is documented, see before-and-after Dyno chart below.
price includes gaskets, all hardware, and clamps. Everything you need.
no modifications necessary to your Porsche® exhaust system
threaded fittings for the O2 sensors are provided
easy-to-follow instructions included.