Nissan 370Z Forum - View Single Post

chops · 08-09-2012, 09:03 PM

i cant believe no one else has said this. you dont have an exhaust leak. its simply the engine hissing. look it up. "vq37 hiss"

its simply a byproduct of removing the factory catalytic converters. its there when you replace with test pipes, highflow cats..long tube headers. you name it. the ARK high flow cat's attempt to fix this with a resonant chamber. look it up!

heres the ARK HFC's:
Introducing : ARK PERFORMANCE Inc RSPEC Hi FLOW CAT 370z/G37

08-09-2012, 09:03 PM	#17 (permalink)
chops A True Z Fanatic Join Date: Oct 2010 Location: NA Posts: 1,732 Drives: NA Rep Power: 22	i cant believe no one else has said this. you dont have an exhaust leak. its simply the engine hissing. look it up. "vq37 hiss" its simply a byproduct of removing the factory catalytic converters. its there when you replace with test pipes, highflow cats..long tube headers. you name it. the ARK high flow cat's attempt to fix this with a resonant chamber. look it up! heres the ARK HFC's: Introducing : ARK PERFORMANCE Inc RSPEC Hi FLOW CAT 370z/G37 Last edited by chops; 08-09-2012 at 09:05 PM.