Background A result of the airflow tests with inlet elbows from 034 Motosport, Integrated Engineering (IE), and DBV2 was that the IE did not flow as much as the 034 elbow during the large adapter test. This result was not expected due to the IE elbow having a much larger entry and an exit diameter […]

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