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    • SRM solves 4.0 TFSI V8 intake restrictions? D4 Audi A8 4.0 TFSI Luftwaffe intake system

      Many have questioned why the 4.0 TFSI V8 seemed limited in certain applications. Some felt the cooling system was a bottleneck and others felt the intake was a bottleneck. Either way SRM (Silly Rabbit Motorsport) is pushing the 4.0 TFSI to the next level across multiple applications.


      They claim their Luftwaffe intake is good for 50-60 awhp on the D4 Audi A8 4.0 TFSI V8 with the factory turbochargers which are the same as the C7 S6/S7 units. Imagine what kind of flow you would see with upgraded turbochargers?

      Hopefully more data will be posted soon but the 4.0 TFSI V8 especially in the A8 makes for an attractive tuning platform value in a car suitable for an adult.

      This article was originally published in forum thread: SRM solves 4.0 TFSI V8 intake restrictions? D4 Audi A8 4.0 TFSI Luftwaffe intake system started by Sticky View original post