Invidia Down Pipe w/High Flow CatNote: Revised design for 2022 improves RHD fitment. Includes adaptor to fit both OEM and aftermarket 3" cat back exhausts. INVIDIA 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