Closer than you think
Join Date: Dec 2008
Location: Central Wisconsin
Got the same problem with my '99 Civic. Especially when the car is just starting to warm up well, it emanates a low-toned howling whistle from somewhere forward of the firewall that will come and go - no vibration, no grinding, not directly linked to RPM, gears, rolling speed, or throttle, although changes in throttle or gears can slowly make it come and go... Just weird.
2005 BRP Elise Sport, Hardtop, Stage 2 Exhaust, CF side scoops, CF splitter, Composite Worx seats, gunmetal stripes