Working from a 237.4-whp baseline, Invidia technicians sampled different resonators and canisters before coming up with the winning combination that pushed output to 245.6 --an 8.2-whp bump.

2009 Infiniti G37 Convertible Infiniti offers a peek at its droptop G37 ahead of the L.A. Auto Show. By Jake Holmes Updated: Aug 11, 2008 Save Article View Photos ...