Nissan 370Z Forum - View Single Post - Rasp on exhaust where does it come from..

Motordyne · 04-16-2011, 12:26 AM

Its continually reflecting shockwaves that bounce back and forth inside the exhaust tubes. Shockwaves generated by bluff bodies, sudden expansions or contractions.

04-16-2011, 12:26 AM	#6 (permalink)
Motordyne Enthusiast Member Join Date: Nov 2008 Location: Los Angeles Posts: 384 Drives: Z Rep Power: 17	Its continually reflecting shockwaves that bounce back and forth inside the exhaust tubes. Shockwaves generated by bluff bodies, sudden expansions or contractions.