AWE Resonated Downpipe for 8R Q5 2.0T3215 11040 For the enthusiast interested in a more aggressive sound, we offer the AWE Tuning Downpipe. The factory unit contains a fairly large straight through resonator. By replacing this large piece with a more compact but still straight through resonator, we were able to increase sound volume while adding a slightly deeper tone. Testing showed small power increases in adding the downpipe with stock software, while power is further optimized with