Nissan 370Z Forum - View Single Post - Question about the hiss/rattle after installing HFC's

fairladyZ34 · 10-21-2009, 11:01 PM

ive been told its just the way the engine sounds as it de-revs in the 2k to 3k range something with harmonics. i could be wrong but thats what ive heard

10-21-2009, 11:01 PM	#14 (permalink)
fairladyZ34 A True Z Fanatic Join Date: Aug 2009 Location: Central NJ Posts: 1,577 Drives: 08 G37S Black M6 Rep Power: 19	ive been told its just the way the engine sounds as it de-revs in the 2k to 3k range something with harmonics. i could be wrong but thats what ive heard