Claims: Turbo Muffler Delete, a product that if based on the accolades lavished upon it by vendors would seem capable of improving the performance of the Mk7 GTI.  A sampling of the claims made follows: “Decrease Turbo Lag” “maximum airflow” “eliminates the restriction and turbulence caused by the OEM part.” “additional 10bhp during dyno tests.” […]

Background: A couple of days ago a new set of turbo inlet elbows were flow tested to see how they compared with the current highest flowing inlet elbow, the MST Performance elbow and hose combination. Using an adapter that simulates the IS20/38 turbocharger compressor housing the results were even, all of the new elbows flowed

Background: About ten months have passed since performing a test comparing the airflow through a number of inlet elbows.  In the interim a few new elbow options have become available so I inquired with the vendors about making available a product for testing.  They all agreed to provide a sample of their products and what