Unique among the similar products that have been flow tested is the use of a 3.5″ intake pipe with the CTS product.
The main purpose for conducting this test is to evaluate if the larger pipe diameter contributes to increased airflow versus 3″ intake options.
The CTS intake is assembled and attached to a generic aftermarket inlet elbow that has been used on a number of previous intake tests. The inlet elbow is then attached to the flow bench using an adapter that simulates the entry to the turbo compressor housing of the IS20/IS38 turbochargers.
The flow bench is operated at a test depression of 28″ of H2O and the airflow through the intake is recorded.
The CTS intake flowed 394 CFM at 28″ of H2O. This result is compared to other open intakes similarly configured with a standard TIP:
Next the CTS intake is compared with all other intakes that have been flow tested in this configuration:
Note: The Injen results above are when paired with the MST TIP.
Flow performance of the CTS Turbo Mk7 intake is equivalent to other open intakes that have been flow tested. Margin of error is +/2 CFM.
Compared to all intakes tested the CTS intake places among the top flowing intakes.
The CTS intake 3.5″ intake pipe does not appear to provide any benefit over 3″ diameter pipes when configured as described in this test.