Invidia Down Pipe w/High Flow Cat - Honda Civic Type R FK8 17-21/FL5 22+ Mitsubishi-EVO-2008 The small knob can be

The small knob can be screwed into the appropriate threaded hole to mark the fuel type inside

Needed to Relash ECU

Complete plumbing kit — all necessary fittings and hardware included

Internal hex provides clean

Invidia Down Pipe w/High Flow Cat - Honda Civic Type R FK8 17-21/FL5 22+ Mitsubishi-EVO-2008 The small knob can beINVIDIA DOWN PIPE The most restrictive component of the factory exhaust system is the down pipe which begins right after the turbocharger. Invidia Exhausts use a larger pipe diameter and smooth bends which allows the turbocharger to exhale exhaust gases with fewer restrictions and turbulence. Because of these reasons, Invidia down pipes make for the most popular exhaust upgrade that adds a substantial bump in both horsepower and torque with a great