2013 1LE Standard then changed to NPP
Test conditions:
- The same car and same dyno were used for both tests.
- No air quality info available, but the first day was mild for late August in GA. The second day was a little warmer and more humid.
- Stock Exhaust test 8/29 10:45 - 2 pulls
- NPP Exhaust test 8/30 10:15 - 2 pulls
- DynoJet 224X (Vengeance Racing, Cumming GA)
Notable items:
- Got the NPPs from Ofer at 2SSRS@Gen5diy.
- No vacuum lines connected to the NPP mufflers. They are spring loaded and stay wide open at all times.
- Oil and filter changed between tests. (first oil change)
- Approximately 30 minutes drive to the dyno.
- Tested within 15 mins of arrival.
- Less than 100 miles between dyno tests.
- No fuse pulls or ECU resets within several weeks of this testing.
Six videos attempting to capture the sound differences:
http://www.youtube.com/playlist?list...wwx0KROmJmXGIU
Blue is Standard Exh - Red is NPP Exh